how quickly does flu spread

Some never have symptoms so spread it for a couple of weeks and never know it. How long can a flu virus survive.

Flu Symptoms Treatment Contagiousness And Do I Have It

Children may pass the.

. 2 rows The flu mainly spreads from person to person and the CDC says that infected people can spread. The flu virus can survive outside of the body for up to 24 hours which means you risk catching the flu when you touch contaminated surfaces. Unfortunately the different viruses responsible for stomach flu can be contagious before you even know youor someone elseis sick. Once people with the flu are.

Symptoms of the stomach flu typically last 1 to 3 days. Observe that their estimate of serial estimate of 36 days minus an incubation period of 15 days would suggest an average time from symptom onset in the index. People with flu are most contagious in the first 3-4 days after their illness begins. Here we see a rapid rise in the number of sick people which tops out at 675 before decaying.

The Flu Is Contagious Most healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5-7 days after becoming sick. Flu is very infectious and easily spread to other people. With influenza the symptoms begin within a day or two after being infected. Once contaminated hands can transfer the virus to your eyes nose or mouth.

Norovirus symptoms usually start 12 to 48. Soon the infected are. Flu is spread by germs from coughs and sneezes which can live on hands. So Cowling et al.

But they are most contagious 3 to 4 days after their symptoms. From there the virus can enter your body and infect you. After touching a surface with the flu virus you can transmit it to yourself by touching your nose mouth or eyes. We have a backyard flock in Indiana with ten hens and I havent been able to find anything that tells how quickly bird flu can spread within a flock.

Generally speaking the virus is most likely to spread from the time your. Youre more likely to give it to others in the first 5 days. Note that this is well over half of the population and occurs in the time step. Infections in those with higher risk may last longer.

Surfaces which are easily contaminated with. Flu symptoms may appear in one to four days but you may be contagious starting one day before symptoms appear and five to seven days later according to an article in the British. People can spread the flu before they even know theyre sick usually starting 1 day before symptoms begin. Some otherwise healthy adults may be able to infect others beginning one day before.

5Make sure you and the people around you follow. Influenza the flu -- is highly contagious and is usually spread by sneezing and coughing. In North America the flu virus is at its most contagious in. In general the CDC says that the incubation period of the flu can range between one and four days with the average length of time being two days.

24 to 48 hours on hard surfaces.