Home Current News Health district reports highest level of mosquito activity ever in Las Vegas...NewsCurrent NewsHealth district reports highest level of mosquito activity ever in Las Vegas valley; 16 zip codes test positive for West Nile virusJune 10, 20246FacebookTwitterPinterestWhatsApp health district reports highest level of mosquito activity ever in las vegas valley 16 zip codes test positive for west nile virus Source: yahoo.com/news