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.
How long is someone with the flu contagious? With flu season making it's earliest start in years, and certain strains of the virus hitting unlucky Americans hard this year, itâs important to be extra vigilant in your efforts to avoid catching it. Q: When is someone who has the flu contagious?