influenza a when contagious

The stomach flu or a stomach bug is often called viral gastroenteritis and it is highly contagious. Adults with the flu can pass the virus for five to seven days after they begin experiencing symptoms although theyre most contagious in the first three to four days after symptoms appear.

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People with the virus are likely contagious from about a day before symptoms appear until about five days after they start.

. Hemagglutinin or H. INFLUENZA Flu or influenza is a highly contagious acute respiratory illness caused by the Influenza virusFlu season generally occurs annually all over the world during the cold season October to January. The flu aka influenza is a contagious respiratory illness caused by influenza viruses that infect the nose throat and lungs according to the CDC.

Influenza viruses are constantly changing with new strains appearing regularly. Influenza aka the flu is a contagious respiratory infection caused by several flu viruses that infect the nose throat and lungs according to. AI viruses are classified by a combination of two groups of proteins.

Flu infections are more common during the fall and winter. Symptoms start 1 to 4 days after the virus enters the body. Each year influenza causes 35 million cases of severe illness and between 290000 and 650000 deaths worldwide.

Although flu cases peak between December and February flu activity may be seen as late as May. The Flu Is Contagious. But keep in mind that you can also be contagious 24 hours before you have symptoms.

15 hours agoThe seasonal flu is spreading way past season in South Florida sending people to clinics and hospitals with severe congestion coughs sore. Children and people with weakened immune systems may be contagious for a slightly longer time. Most healthy adults may be able to infect other people beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick.

Flu or influenza is a contagious spreads from person to person viral illness that affects the respiratory tract the nose throat and lungs. If you have the flu you are most contagious in the first 3 to 4 days after starting to feel sick. Most children are ill with the flu for less than a week.

This means you can spread the flu before you even know you are sick. Children may pass the virus for longer than 7 days. Some viruses such as norovirus can live on surfaces for more than 24 hours and it spreads very quickly especially with children said Pittman.

Avian influenza AI is caused by an influenza type A virus which can infect poultry such as chickens turkeys pheasants quail domestic ducks geese and guinea fowl and is carried by free flying waterfowl such as ducks geese and shorebirds. It spreads through contact with an infected persons stool or vomit. Children and people with compromised immune systems may pass the flu for even longer than a week.

People with flu are most contagious in the first 3-4 days after their illness begins. It causes a high fever body aches a cough and other symptoms. Typically youre contagious from 1 day before you have any symptoms.

It is one of the most severe and common viral illnesses of the winter season. There are two main types of flu virusestypes. Influenza flu is a very contagious viral infection that affects the air passages of the lungs.

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. You can also spread the flu for up to a week after getting sick. You stay that way for 5 to 7 days after you start feeling sick.

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Influenza Flu Is A Contagious Disease That Can Be Serious Every Year Millions Of People Get Sick Hundreds Of Thousands Are Hospitalized And Thousands To T