COVID-19 infections spike in Nevada, mostly in the south Share State health officials are warning that COVID-19 cases are again spiking in the state. The test positivity rate statewide has risen to 8.2% for a 14-day average. Nevada Health Response officials said the majority of new cases are centered in Clark County. Candice McDaniel, deputy administrator of the Department of Health and Human Service’s Division of Welfare and Supportive Services, pointed toward heat driving people indoors, increased travel and tourism, and low vaccination rates in the southern part of the state as the pri...