How Long Is Influenza Contagious. The virus is most contagious before symptoms and during the first three to five days. Adults with the flu can pass the virus for five to seven days after they begin experiencing symptoms, although they’re most contagious in the first three to four days after symptoms appear.
Most healthy adults may be able to. Whereas elderly people might have the infection for as long as two weeks. Young children and people who have weak immune systems may be contagious for longer.
The Length Of Time You're Infectious For Often Depends On Age, Explains Oxford.
You can actually infect someone before you start feeling symptoms of the flu.you are most contagious in the 3 to 4 days after you start to feel sick, but you remain contagious as long as you have. Most of the time, the flu is contagious for about 24 to 72 hours after you have come in contact with the virus. You stay that way for 5 to 7 days after you start feeling sick.
Most People Can Infect Other People Up To A.
People with the flu are most contagious in the three to four days after they develop symptoms, the cdc says. Flu (influenza) is a respiratory illness caused by influenza viruses. Novel h1n1 influenza a virus infection (swine flu) is an infection that generally is transferred from an infected pig to a human, however there have been reported cases where infection has occured with no contact with infected pigs.
Once You’ve Encountered The Virus, It Can Take Between One And Four Days To Develop Symptoms.
Young children and people who have weak. Some otherwise healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days. Children and people with compromised immune systems may pass the flu for even longer than a week.
Adults With The Flu Can Pass The Virus For Five To Seven Days After They Begin Experiencing Symptoms, Although They’re Most Contagious In The First Three To Four Days After Symptoms Appear.
They infect up to 1 in 5 americans every year. Whereas elderly people might have the infection for as long as two weeks. Young children and people who have weak immune systems may be contagious for longer.
Sometimes, The Flu Is Mild.
But it can also cause more serious illness, hospitalization, and even death.read on for more about how the flu spreads and how to protect. Flu viruses are very contagious, which means they spread easily between people. The flu is a highly contagious respiratory infection that’s common in the colder months of the year.