H1N1 Influenza (Swine Flu) (cont.)
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H1N1 flu is caused by the H1N1 influenza virus. At first, experts thought that the virus was spread from pigs to people. But they later found that H1N1 flu is caused by a new virus. After a person is infected, he or she may spread the flu to other people by coughing or sneezing.
Drops from a cough or sneeze from an infected person can move through the air. Breathing them in can make you sick. You can also get infected by touching something with the flu virus on it, such as a desk or counter, and then touching your mouth or nose.
You can't get H1N1 flu from eating pork.
The symptoms of H1N1 flu are a lot like the regular seasonal flu. They can include:
Some people are more likely to have serious problems from H1N1 flu, including:
Incubation and contagious periods
The time between getting infected with H1N1 virus and feeling sick (called the incubation period) is usually about 2 days but can be from 1 to 7 days.1 You can infect others starting 1 day before your symptoms start. And you may infect others up to 12 days after you get sick, although most people are infectious for about 6 days.1
eMedicineHealth Medical Reference from Healthwise
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