Larimer County health officials have discovered St. Louis encephalitis virus in an isolated pool of tested mosquitoes found in northeast Fort Collins, the first time such a discovery has been made in Larimer County. According to the Loveland Reporter Herald, while the Larimer County Department of Health and Environment has reported no human cases of the virus and said that the risk of contracting it is low, officials are still encouraging residents to take precautions to avoid infection. Symptoms of the virus include fever, headache, nausea, vomiting, and tiredness, and there is no known treatment…