This in my neck of the woods just because one is in the mountains away from civilization doesn't mean things are pure, this is very similar to what we call beaver fever here (giardiasis), though I am so use to the water beaver fever doesn't really affect me (at the moment)
"Reports of the unknown sickness surfaced over the weekend, and public health officials are working to determine the cause... experts suspect a norovirus might be involved"
http://www.foxnews.com/health/2014/...wimming-in-washington-lake/?intcmp=latestnews
"with one publication drawing the conclusion that protective immunity to the same strain of norovirus lasts for six months, but that all such immunity is gone after two years... spreads very rapidly either by person-to-person transmission or through contaminated food.[9] Many norovirus outbreaks have been traced to food that was handled by one infected person.. Norovirus is rapidly inactivated by either sufficient heating or by chlorine-based disinfectants, but the virus is less susceptible to alcohols and detergents, as it does not have a lipid envelope"
http://en.wikipedia.org/wiki/Norovirus
"Reports of the unknown sickness surfaced over the weekend, and public health officials are working to determine the cause... experts suspect a norovirus might be involved"
http://www.foxnews.com/health/2014/...wimming-in-washington-lake/?intcmp=latestnews
"with one publication drawing the conclusion that protective immunity to the same strain of norovirus lasts for six months, but that all such immunity is gone after two years... spreads very rapidly either by person-to-person transmission or through contaminated food.[9] Many norovirus outbreaks have been traced to food that was handled by one infected person.. Norovirus is rapidly inactivated by either sufficient heating or by chlorine-based disinfectants, but the virus is less susceptible to alcohols and detergents, as it does not have a lipid envelope"
http://en.wikipedia.org/wiki/Norovirus