The Southern Nevada Health District reported three additional cases of West Nile virus in Clark County, bringing the total to 12.
According to the Health District, all three cases were men over the age of 50. Ten of the 12 cases reported so far this year have involved the neuroinvasive form of West Nile.
More than 35,000 mosquitoes have been tested so far this year, according to the Health District's data, with more than 6,100 testing positive for West Nile across 36 zip codes.