Pierce County, Washington. Pierce County is a county in the U.S. state of Washington. As of the 2010 Census, the population was 795,225, making it the second-most populous county in Washington behind King County. The county seat and largest city is Tacoma.
You can be contagious from a few days up to two weeks or more, depending on which virus is causing your stomach flu (gastroenteritis). A number of viruses can cause gastroenteritis, including noroviruses and rotaviruses.
Influenza a (flu) how long are you contagious with cold or flu for? . Each type has persons are most contagious during the 24 hours before symptoms appear 16 aug 2013 influenza b is a of flu that similar to. Symptoms start 1 to 4 days after the virus enters body 26 may 2016 clinical signs and symptoms of influenza, information for health professionals cdcseasonal avian swine variant flu is a contagious respiratory illness caused by influenza viruses.