how many days is the flu contagious

If you have the flu youll be contagious one day before developing symptoms and up to five to seven days after becoming ill. People with flu are most contagious in the first three to four days after their illness begins.

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Flu is usually most infectious from the day your symptoms start and for a further 3 to 7 days.

. People with flu are most contagious in the first 3-4 days after their illness begins. Most healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick. Symptoms usually appear from one to four days after exposure to the virus and they last five to seven days. Some people especially those with weakened immune systems or underlying health conditions can spread the virus for longer.

For most flu viruses that window is about a week starting from a day before your symptoms appear to six or seven days afterward. Discover causes and prevention tips. You are usually contagious from the day before symptoms start. Symptoms of stomach flu can last between 1 day and 2 weeks depending on the cause.

Proper handwashing goes a long way to prevent the spread of germs. A number of viruses can cause gastroenteritis including noroviruses and rotaviruses. This virus is contagious even before symptoms appear and for up to two weeks after you recover. You may be able to spread flu to someone else before you know you are sick as well as while you are sick.

Children and some people with weakened immune systems may pass the virus for longer than 7 days. Some children may pass the flu viruses for longer than seven days occasionally for two weeks. For people whove had a flu shot the symptoms may last a shorter amount of time or be less severe. For colds even people who are feeling better can spread the virus to others for up to three weeks.

You stay that way for 5 to 7 days after you start feeling sick. The virus is most contagious before symptoms and during the first three to five days. The contagious period for the flu begins about 1 day before symptoms start and can last as long as 5-7 days from when you first felt sick. The influenza virus is contagious from about 24 hours before symptoms appear for up to 10 days after.

After that you are most likely to spread the virus 3 to 4 days after symptoms begin but you can still be contagious up to 7 days after your symptoms start. The contagious period the time during which a sick person can give the illness to others differs slightly for each virus. For colds most individuals become contagious about a day before cold symptoms develop and remain contagious for about five to seven days. Other people who develop complications such as pneumonia may extend the contagious period for a week or two.

Most common colds are caused by viruses and the highest infectious period is usually one to two days prior to symptom onset and during the first two to three days of symptoms she says. For other people the symptoms may last longer. You may be most contagious during the first 3-4 days of illness. How long will you be contagious.

Typically symptoms start one to. Younger children or people with a weakened immune system may be. Even when symptoms resolve you may continue to feel fatigued. You can transmit the flu virus for as much as a full day before you know youre sick and then for up to a week after symptoms emerge.

Norovirus symptoms usually pass within 3 days. Pittman notes individuals with the flu can be contagious for up to three weeks after the onset of symptoms. You can be contagious from a few days up to two weeks or more depending on which virus is causing your stomach flu gastroenteritis. Stomach flu viral gastroenteritis is most contagious when you have symptoms and for a few days after they go away.

If you have the flu you are most contagious in the first 3 to 4 days after starting to feel sick. Most people will be infectious for around 2 weeks. A recent small study reviewed blood samples from 56 patients including 37 people who were infected with the COVID-19 delta variant and 19 who were infected with omicron per Reuters. In many cases just because you or your children are fever free and can return to work or school does not mean you are no longer contagious.

This means you can spread the flu before you even know you are sick. Some otherwise healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick. Most people begin to be contagious 1 day before they start feeling sick and continue to be for 5 to 7 more days young children and those with weakened immune symptoms may be contagious for even longer. Influenza commonly circulates in the United States between October and April.

Children and people with lowered immune systems may be infectious for a few days. Symptoms are usually worse during the first 2 to 3 days and this is when youre most likely to spread the virus. Youre generally contagious with a cold 1-2 days before your symptoms start and you could be contagious as long as your symptoms are presentin rare cases up to 2 weeks. Typically youre contagious from 1 day before you have any symptoms.

The virus usually enters your body 1 to 4 days before you have any symptoms and you can give it to someone a day before you feel anything up to 5 to. Like COVID you can spread the flu to other people before symptoms appear. When Flu Spreads. Kids and people with a compromised immune system may be contagious with flu for more than a week after symptoms start because it takes their body longer to stop the infection.

Symptoms appear one to three days after exposure and you are contagious as soon as symptoms develop. But keep in mind that you can also be contagious 24 hours before you have symptoms. Patients infected with the omicron variant of the novel coronavirus are contagious for at least six days according to a new study.