When is the Most Infectious Time for COVID?

The COVID-19 pandemic has affected individuals and communities worldwide, highlighting the importance of understanding the most infectious time for the virus. By identifying the period when individuals are most contagious, we can implement effective strategies to prevent the further spread of the disease.

Studies have suggested that the most infectious time for COVID-19 is during the initial stages of the illness when symptoms may not yet be apparent or are mild. It is during this time that individuals may unknowingly spread the virus to others, making it crucial to practice preventive measures even when feeling well.

Research has shown that viral loads, or the amount of virus present in an individual’s body, are highest at the onset of symptoms. This means that individuals who are in the early stages of COVID-19 infection may have a higher potential to transmit the virus to others. It is important to note that even asymptomatic individuals can carry and spread the virus.

Understanding the most infectious time for COVID-19 is critical for implementing effective public health measures. By practicing good hand hygiene, wearing masks, maintaining physical distance, and getting vaccinated, we can all contribute to limiting the spread of the virus and protecting ourselves and those around us.

Understanding COVID-19 transmission

COVID-19 is a highly infectious respiratory illness caused by the SARS-CoV-2 virus. It is primarily transmitted through respiratory droplets that are released when an infected person coughs, sneezes, talks, or breathes heavily. Understanding how the virus spreads is crucial in order to effectively prevent its transmission.

Transmission through close contact

The most common mode of COVID-19 transmission is through close contact with an infected individual. Close contact refers to being within about 6 feet (2 meters) of an infected person for a prolonged period of time. This can occur when having face-to-face conversations, sharing utensils, or being in enclosed spaces with poor ventilation.

It is important to note that close contact can also occur before an infected person develops symptoms or even if they are asymptomatic, as they can still spread the virus. This is why it is crucial to maintain physical distance and wear masks in public settings.

Aerosol transmission

Another mode of transmission is through aerosols, which are tiny particles containing the virus that can remain in the air for extended periods of time. Inhalation of these aerosols can lead to infection, especially in poorly ventilated indoor spaces. This is why indoor gatherings and crowded areas are considered high-risk environments for COVID-19 transmission.

Although aerosol transmission is thought to occur less frequently compared to close contact, it is still important to take preventive measures such as improving ventilation, wearing masks, and avoiding crowded indoor spaces.

Understanding the different modes of COVID-19 transmission can help individuals and communities take appropriate precautions to reduce the risk of infection. It is crucial to follow guidelines provided by health authorities, practice good hand hygiene, wear masks, and maintain physical distance to protect oneself and others from the virus.

When is COVID-19 most contagious?

Understanding the timeline of COVID-19 infection is crucial in preventing its spread. The virus can be transmitted from person to person, primarily through respiratory droplets when an infected individual coughs, sneezes, talks, or even breathes. However, it is important to note that the level of contagion varies depending on the stage of illness.

The most infectious time for COVID-19 is generally when an individual is symptomatic. This means that people who are already showing symptoms of the virus, such as fever, cough, and difficulty breathing, are more likely to spread it to others. These symptoms usually appear within 2 to 14 days after exposure to the virus, with the average incubation period being around 5-6 days.

It is also important to be aware that individuals may be contagious even before they start displaying symptoms. This is known as the pre-symptomatic period, and it can last for several days. During this time, individuals may not be aware that they are infected and can unknowingly spread the virus to others. This is why practicing preventive measures such as wearing masks, maintaining physical distance, and frequent handwashing are essential in controlling the spread of COVID-19.

Additionally, studies have shown that individuals who are asymptomatic, meaning they do not show any symptoms of the virus, can also transmit it to others. These “silent spreaders” can unknowingly infect others, making it difficult to identify and contain the virus. Therefore, it is crucial to follow public health recommendations and guidelines to protect oneself and others.

Stage of COVID-19 Infection	Contagiousness
Symptomatic	High
Pre-symptomatic	Moderate
Asymptomatic	Low

In summary, the most contagious time for COVID-19 is when an individual is symptomatic. However, it is important to remain cautious during the pre-symptomatic and asymptomatic stages as well, as the virus can still be transmitted during these periods. By practicing good hygiene, wearing masks, and following public health guidelines, we can help reduce the spread of COVID-19.

Factors contributing to infectiousness

When it comes to COVID-19, the most infectious time varies depending on several factors. Understanding these factors is crucial in determining the risk of transmission and implementing effective preventive measures.

The first factor to consider is the viral load. Studies have shown that individuals with a higher viral load are more likely to transmit the virus to others. This means that the initial stage of infection, when the viral load is at its highest, is the most infectious time. During this time, individuals may not display symptoms but can still transmit the virus to others.

Another factor that contributes to infectiousness is the mode of transmission. COVID-19 primarily spreads through respiratory droplets when an infected person coughs, sneezes, talks, or breathes heavily. Therefore, activities that involve close contact or crowded indoor spaces, where respiratory droplets can easily spread, increase the risk of transmission. These include gatherings, public transportation, and shared living spaces.

Furthermore, the duration of exposure plays a role in infectiousness. Prolonged contact with an infected individual increases the chance of transmission. The longer the exposure, the higher the risk. This is why healthcare workers, who often have extended contact with COVID-19 patients, are at a higher risk of contracting the virus.

Additionally, individuals who are in the early stages of infection may not be aware that they are infected and may not exhibit any symptoms. As a result, they may unknowingly spread the virus to others, contributing to the overall infectiousness of COVID-19. This is why it is crucial to practice preventive measures even if you feel well and have no symptoms.

In conclusion, the most infectious time for COVID-19 depends on factors such as viral load, mode of transmission, duration of exposure, and the presence of symptoms. Understanding these factors can help individuals and public health officials make informed decisions to reduce the risk of transmission and protect vulnerable populations.

The role of viral load

When it comes to COVID-19, understanding the role of viral load is crucial in determining the most infectious time.

Viral load refers to the amount of virus present in an infected individual’s body. It is commonly measured through polymerase chain reaction (PCR) tests, which detect and amplify the genetic material of the virus. The viral load can vary throughout the course of the infection, reaching the highest levels at specific times.

During the initial stages of infection, the viral load is typically low. However, as the virus replicates within the body, the viral load increases. This indicates that the individual is becoming more infectious, as a higher viral load means a greater amount of virus is being shed from the body.

The most infectious time

Studies have shown that individuals with COVID-19 tend to be most infectious during the first week after symptom onset, when the viral load is generally highest. This is why it is crucial for individuals to isolate themselves and follow preventive measures such as wearing masks and practicing good hand hygiene during this time to prevent further spread.

It’s important to note that even individuals without symptoms can be highly infectious, as they can still have a significant viral load. This highlights the importance of widespread testing and contact tracing in identifying and isolating asymptomatic carriers.

As the infection progresses, the viral load tends to decrease, indicating a lower level of contagiousness. However, it is still important to follow guidelines and precautions until the individual has fully recovered and is confirmed to no longer be shedding the virus.

In conclusion, understanding the role of viral load is essential in determining the most infectious time for COVID-19. Monitoring and testing for viral load can help identify individuals who are at their highest infectivity and enable appropriate measures to prevent further spread of the virus.

Why the initial stage of infection is highly contagious

The initial stage of infection is considered the most contagious time for COVID-19. During this period, individuals who are infected with the virus may not show any symptoms yet, but they can still transmit the virus to others. This is because the viral load in the body is at its highest during the early stages of infection, making the virus more easily transmissible.

COVID-19 spreads primarily through respiratory droplets when an infected person coughs, sneezes, talks, or breathes. These droplets can contain the virus and can be inhaled by others who are in close proximity to the infected individual. Even though asymptomatic individuals may not appear sick, they can still release respiratory droplets containing the virus.

Furthermore, the virus can also be spread by touching surfaces or objects contaminated with the virus and then touching the face, particularly the mouth, nose, or eyes. In the initial stage of infection, individuals may have a higher tendency to touch their face due to common symptoms like mild discomfort or itchiness. This increases the risk of transferring the virus from contaminated surfaces to mucous membranes.

It is important to note that the contagiousness of COVID-19 can vary between individuals. Some individuals may be more contagious than others depending on factors such as viral load, viral shedding patterns, and immune response. However, the initial stage of infection remains a critical time for transmission, and it is crucial to practice preventive measures such as wearing masks, practicing good hand hygiene, and maintaining social distancing to reduce the risk of spreading the virus.

How long is the infectious period?

The infectious period for COVID-19 can vary from person to person, but it is generally believed to be most contagious during the first week of infection. This is when the viral load is typically highest and when symptoms, if present, are most severe.

Recent studies have suggested that individuals infected with COVID-19 may be able to transmit the virus to others before they develop symptoms, making it possible for transmission to occur even before the most infectious time. However, individuals who are asymptomatic or have mild symptoms may still be contagious, especially in close contact settings.

It is important to note that the infectious period can also vary depending on factors such as age, underlying health conditions, and the strength of one’s immune system. For some individuals, the infectious period may extend beyond the first week of infection.

In general, experts recommend that individuals continue to follow public health guidelines and practice preventive measures, such as wearing masks, practicing social distancing, and frequently washing hands, even after the most infectious time has passed. This is because individuals may still shed the virus and be contagious for a period of time after they have recovered from the infection.

Overall, understanding the duration of the infectious period for COVID-19 is crucial in order to effectively control the spread of the virus and protect vulnerable populations. Ongoing research and monitoring of the virus will continue to provide more insights into this topic.

Super-spreader events and their impact

One of the most concerning aspects of the transmission of COVID-19 is the occurrence of super-spreader events. These events, typically involving a large number of people in close proximity, have proven to be a significant source of transmission for the virus.

Super-spreader events are characterized by the ability of one infected individual to transmit the virus to a large number of people. This can happen in various settings, such as crowded indoor environments, large gatherings, or events with poor ventilation. The close proximity and prolonged exposure to an infected person combined with factors like poor ventilation and inadequate measures for social distancing can lead to a rapid spread of the virus.

Super-spreader events have been responsible for some of the most significant outbreaks of COVID-19. These events can quickly amplify the transmission of the virus and lead to exponential growth in the number of cases. They can occur unknowingly, as many individuals may be asymptomatic or have mild symptoms, making it difficult to identify and isolate potential super-spreaders.

Identifying and mitigating super-spreader events is crucial in controlling the spread of COVID-19. Implementing strict measures for social distancing, wearing masks, improving ventilation, and limiting crowd sizes are essential in reducing the risk of super-spreading. Understanding the factors that contribute to super-spreading events can help inform public health strategies and interventions to prevent future outbreaks.

The impact of super-spreader events

The impact of super-spreader events can be significant, both in terms of public health and the overall management of the COVID-19 pandemic. These events can lead to a sudden surge in cases, overwhelming healthcare systems and putting a strain on medical resources.

Super-spreader events also have an economic impact, as they can result in localized lockdowns and restrictions to prevent further spread. The disruption to businesses, travel, and daily activities can have far-reaching consequences for individuals and communities.

Recognizing the potential for super-spreader events and taking proactive measures to prevent them is essential in controlling the spread of COVID-19 and protecting public health.

Indoor vs. outdoor transmission risk

The risk of COVID transmission can vary depending on whether individuals are indoors or outdoors. Understanding the dynamics of transmission in different settings is crucial in implementing effective preventive measures.

Indoor Transmission Risk

Indoor spaces pose a higher risk for COVID transmission due to factors such as poor ventilation and close contact between individuals. People may come into contact with respiratory droplets containing the virus, which can remain suspended in the air for extended periods of time. Additionally, surfaces in indoor settings can also be contaminated, increasing the risk of transmission through touch.

High-risk indoor locations include crowded places such as restaurants, bars, gyms, and workplaces where physical distancing might be challenging. Poorly ventilated spaces such as crowded public transportation and small enclosed rooms also contribute to increased transmission risk.

Outdoor Transmission Risk

The risk of COVID transmission is generally lower in outdoor spaces due to better air circulation and the ability to maintain physical distance. The open air helps disperse respiratory droplets, reducing the likelihood of transmission. Sunlight and humidity are also known to have a detrimental effect on the virus, further decreasing its viability.

While outdoor transmission is less common, risks still exist in crowded outdoor places where physical distancing cannot be maintained, such as outdoor concerts or sporting events. It is important to take precautions even outdoors by wearing masks in crowded settings and practicing proper hygiene.

Overall, being aware of the potential transmission risks in different settings can help individuals make informed decisions and take necessary precautions to prevent the spread of COVID.

The impact of COVID-19 variants on virus transmission

As the COVID-19 pandemic continues, various variants of the virus have emerged, each with its own unique genetic makeup and characteristics. These variants have raised concerns about their impact on virus transmission and the effectiveness of current preventive measures.

Studies have shown that some COVID-19 variants are more transmissible than others. The time period during which these variants are most infectious may vary, but it is crucial to understand these dynamics to properly control the spread of the virus.

One of the most concerning variants is the Delta variant, which was first identified in India. This variant has been found to be highly contagious and has quickly become the dominant strain in several countries. It is believed to be more transmissible than the original strain of the virus that caused the initial COVID-19 outbreak. The Delta variant’s ability to rapidly spread has led to an increase in cases and hospitalizations in many regions.

Another variant of concern is the Alpha variant, which was first identified in the United Kingdom. Studies have shown that the Alpha variant is also highly transmissible and may have an increased risk of hospitalization and death compared to other variants.

While these variants have demonstrated increased transmissibility, it is important to note that the preventive measures recommended for the original strain of COVID-19, such as wearing masks, practicing social distancing, and getting vaccinated, are still effective in reducing the spread of these variants.

The impact of COVID-19 variants on virus transmission is an ongoing area of research, and scientists and health officials are closely monitoring the situation to inform public health strategies. Continued surveillance and genomic sequencing efforts are essential for detecting and tracking the emergence of new variants and understanding their potential impact on virus transmission.

Variant	Country of Origin	Transmissibility
Delta	India	High
Alpha	United Kingdom	High

In conclusion, the emergence of COVID-19 variants has raised concerns about virus transmission. Variants such as the Delta and Alpha variants have demonstrated increased transmissibility, but preventive measures are still effective in reducing their spread. Ongoing research and surveillance efforts are crucial in understanding and responding to the impact of these variants on public health.

Effectiveness of wearing masks in reducing transmission

During the COVID-19 pandemic, one of the most infectious times for the virus is when individuals are in close proximity to each other, especially in enclosed spaces. To reduce the transmission of COVID-19, wearing masks has been recommended as an effective measure.

How masks help reduce transmission

Masks are believed to be effective in reducing transmission of COVID-19 because they act as a barrier, preventing respiratory droplets from being released into the air when an individual talks, coughs, or sneezes. These droplets can contain the virus, and by wearing a mask, the spread of these droplets can be significantly reduced.

Additionally, masks also provide protection to the wearer. While not all masks are created equal, those that are properly fitted can filter out a significant portion of respiratory droplets containing the virus, reducing the risk of inhalation.

The importance of consistent mask usage

In order for masks to be effective in reducing transmission, it is crucial for individuals to wear masks consistently and correctly. This means wearing a mask that covers both the nose and mouth, as well as ensuring a snug fit without gaps. Masks should also be changed regularly, especially if they become damp or soiled.

It is important to note that wearing a mask is not a substitute for other preventive measures such as frequent hand washing, maintaining physical distance, and avoiding crowded places. However, when combined with these measures, wearing masks can significantly contribute to reducing the transmission of COVID-19 during its most infectious times.

Physical distancing and its role in controlling spread

Physical distancing is one of the most effective measures in controlling the spread of COVID-19. During this critical time, it is important to understand the significance of maintaining distance from others to minimize the risk of transmission.

Why is physical distancing important?

COVID-19 is primarily transmitted through respiratory droplets when an infected person coughs, sneezes, talks, or breathes. These droplets can travel through the air and land on surfaces, where they can be inhaled or picked up by individuals who come into close contact with the infected person or contaminated surface.

By practicing physical distancing, individuals can reduce the risk of exposure to infected respiratory droplets. Maintaining a distance of at least 6 feet (2 meters) from others helps prevent the transfer of these droplets and minimizes the chances of transmission.

The role of physical distancing in controlling spread

Physical distancing plays a crucial role in controlling the spread of COVID-19. It helps break the chain of transmission by reducing the opportunities for the virus to be passed from person to person. When individuals maintain distance, especially in crowded places or situations where close contact is unavoidable, the likelihood of the virus spreading decreases significantly.

Moreover, physical distancing is particularly important during the most infectious time for COVID-19, which is when individuals are symptomatic or pre-symptomatic. Studies have shown that people infected with COVID-19 can transmit the virus to others before they even develop symptoms. By maintaining distance, individuals can prevent unknowingly spreading the virus to vulnerable populations.

It is important to note that physical distancing should be complemented by other preventive measures, such as wearing face masks, practicing good hand hygiene, and avoiding large gatherings. These combined efforts significantly contribute to controlling the spread of COVID-19 and protecting public health.

Preventive Measures	Effectiveness
Physical distancing	Highly effective
Mask wearing	Effective
Hand hygiene	Effective
Avoiding large gatherings	Effective

In conclusion, physical distancing is a critical measure in controlling the spread of COVID-19. By maintaining distance from others, especially during the most infectious time for the virus, individuals can significantly reduce the risk of transmission and protect themselves and those around them.

Importance of hand hygiene in preventing transmission

Hand hygiene plays a crucial role in preventing the transmission of infectious diseases, especially during the most infectious time for COVID. Proper hand hygiene is essential in breaking the chain of transmission and protecting oneself and others from the virus.

Effective handwashing

The most effective way to practice hand hygiene is by washing your hands thoroughly with soap and water. This process involves scrubbing your hands for at least 20 seconds, making sure to lather all surfaces including the back of your hands, between your fingers, and under your nails. It is important to rinse your hands well and dry them with a clean towel or air dry them.

Handwashing should be practiced at key moments throughout the day, such as before and after preparing food, before eating, after using the restroom, after coughing or sneezing, and after touching surfaces in public areas. By making handwashing a regular habit, you can greatly reduce the risk of transmitting COVID and other infectious diseases.

Hand sanitizers

In situations where soap and water are not readily available, the use of hand sanitizers can be an effective alternative. Hand sanitizers should contain at least 60% alcohol to effectively kill the virus and other pathogens. When using hand sanitizers, apply a sufficient amount to cover all surfaces of your hands and rub them together until dry.

However, it is important to note that hand sanitizers should not be used as a substitute for handwashing with soap and water. Hand sanitizers are most effective when used in conjunction with proper handwashing practices.

Remember, hand hygiene is one of the simplest yet most effective ways to protect yourself and others from COVID. By making it a priority and practicing it consistently, you can help prevent the spread of the virus during its most infectious time.

COVID-19 transmission in different settings

COVID-19 transmission can occur in various settings and understanding the most infectious time is crucial in order to prevent and control the spread of the virus. The virus can be transmitted through respiratory droplets produced when an infected person coughs, sneezes, talks, or breathes. It can also spread by touching surfaces or objects contaminated with the virus and then touching the face, specifically the eyes, nose, or mouth.

In indoor settings, such as homes, offices, and schools, close contact with an infected person without proper safety precautions increases the risk of transmission. Poor ventilation and crowding can further enhance the spread of the virus in these settings. It is important to maintain physical distancing, wear masks, practice good hand hygiene, and ensure proper ventilation to reduce the risk of COVID-19 transmission.

In outdoor settings, the risk of transmission is generally lower due to better ventilation and the ability for respiratory droplets to disperse. However, close contact with an infected person, especially without masks or in crowded areas, can still lead to transmission. It is important to maintain a safe distance from others and avoid large gatherings to minimize the risk.

In healthcare settings, where there is a higher concentration of infected individuals, the risk of transmission is elevated. The virus can spread through close contact with infected patients, exposure to respiratory droplets during medical procedures, and inadequate personal protective equipment. Strict infection control measures, such as isolation of infected patients, proper use of personal protective equipment, and regular testing of healthcare workers, are essential to prevent transmission in these settings.

Additionally, COVID-19 transmission can also occur in community settings, such as public transportation, shopping centers, and restaurants. The risk of transmission in these settings depends on factors such as the number of people present, adherence to safety measures, and the duration of exposure. It is important to follow local guidelines and recommendations, including wearing masks, practicing physical distancing, and avoiding crowded places, to reduce the risk of transmission.

In summary, COVID-19 transmission can occur in various settings. Close contact with infected individuals, inadequate safety precautions, and poor ventilation can increase the risk of transmission. It is important to follow recommended preventive measures to minimize the spread of the virus and protect ourselves and others from COVID-19.

Protecting vulnerable populations from infection

In the midst of the COVID pandemic, it is crucial to prioritize the protection of vulnerable populations. These include older adults, individuals with underlying health conditions, and those with weakened immune systems.

The importance of proactive measures

Given that the most infectious time for COVID is typically during the first few days of symptoms, it is essential to take proactive steps in order to protect these vulnerable individuals. This includes:

Isolation: Encouraging vulnerable populations to stay at home and limit contact with others, especially if they have symptoms or have been exposed to someone with COVID.
Preventive measures: Emphasizing the importance of frequent handwashing, wearing masks, and maintaining physical distance.
Vaccination: Ensuring that vulnerable populations have access to COVID vaccines and promoting their uptake.

Support and assistance

In addition to these measures, it is vital to provide support and assistance to vulnerable populations to further minimize their risk of infection. This may involve:

Access to resources: Ensuring that vulnerable individuals have access to essential supplies, such as groceries and medications, without needing to venture out.
Mental health support: Recognizing the emotional toll that the pandemic may have on vulnerable populations and providing resources for coping and seeking help.
Community outreach: Establishing networks within communities to check in on vulnerable individuals and offer assistance where needed.

By prioritizing the protection of vulnerable populations and implementing these measures, we can help reduce the risk of infection and support those who are most at risk during this challenging time.

Public health measures to reduce infectiousness

In order to reduce the risk of COVID transmission and to minimize the most infectious time, various public health measures have been implemented. These measures aim to control the spread of the virus and help protect individuals and communities.

1. Social distancing: Maintaining a physical distance of at least 6 feet (2 meters) from others is a crucial measure to reduce the transmission of COVID. By limiting close contact with infected individuals, the risk of exposure is significantly reduced.

2. Wearing masks: Wearing face masks, especially in public places and when social distancing is challenging, plays a vital role in reducing the transmission of COVID. Masks act as a barrier, preventing respiratory droplets that may contain the virus from being released into the air and inhaled by others.

3. Hand hygiene: Regular handwashing with soap and water for at least 20 seconds or using hand sanitizer with at least 60% alcohol content is essential to prevent the spread of COVID. Touching contaminated surfaces and then touching the face can facilitate transmission, so keeping hands clean is crucial.

4. Vaccination: Getting vaccinated is an effective way to reduce infectiousness and control the spread of COVID. Vaccines have been proven to be safe and effective in preventing severe illness, hospitalization, and death. Vaccination not only protects the individual but also contributes to community immunity.

5. Testing and contact tracing: Identifying and isolating individuals who are infected with COVID, as well as tracing and quarantining their close contacts, helps break the chain of transmission. Testing allows for early detection of the virus, reducing the chance of further spread.

6. Ventilation and air circulation: Improving indoor ventilation and air circulation can help reduce the concentration of viral particles in enclosed spaces. Opening windows, using air purifiers, or ensuring proper HVAC systems can all contribute to minimizing the risk of COVID transmission.

7. Public health education: Raising awareness about COVID, its symptoms, and preventive measures is crucial in reducing infectiousness. Public health campaigns can educate individuals about the importance of following guidelines, getting vaccinated, and practicing good hygiene habits.

These public health measures, when implemented consistently and effectively, can significantly reduce infectiousness and help control the spread of COVID. It is important for individuals and communities to adhere to these measures to protect themselves and others from the virus.

Question and answer:

What is the most infectious time for COVID?

The most infectious time for COVID is when a person is actively symptomatic, especially in the first week after symptoms start.

How long are people with COVID most contagious?

People with COVID are most contagious in the first week after the onset of symptoms. However, it is important to note that individuals can still spread the virus even if they are asymptomatic.

Can someone be contagious with COVID before showing any symptoms?

Yes, it is possible for someone to be contagious with COVID before showing any symptoms. This is known as pre-symptomatic transmission and can contribute to the spread of the virus.

Is the virus more contagious during a specific time of day?

There is no evidence to suggest that the virus is more contagious during a specific time of day. The level of contagiousness depends more on the individual’s viral load and the nature of their close contacts.

How long should someone isolate themselves if they have COVID?

Someone with COVID should isolate themselves for at least 10 days after the onset of symptoms or a positive test result. However, it is recommended to consult with healthcare professionals for specific guidance.

When is the most infectious time for COVID?

The most infectious time for COVID is in the first week after the onset of symptoms.

Can you spread COVID before showing symptoms?

Yes, it is possible to spread COVID before showing any symptoms. This is called pre-symptomatic transmission.

How long can a person with COVID remain infectious?

A person with COVID can remain infectious for up to 10 days after the onset of symptoms.

Are people with mild symptoms still infectious?

Yes, people with mild symptoms can still be infectious and spread COVID to others.