The Southern Nevada Health District announced Wednesday that Clark County's first presumptive case of coronavirus has officially tested positive, according to the Centers for Disease Control and Prevention.

In addition, the health district said three new presumptive cases of the virus have been identified, which brings the total to five cases in Clark County and seven in the state.

The new cases include a New York woman, who was in Las Vegas for a summit. She stayed at the Mirage.

The other cases are people who had close contact with previously reported cases. 

All of the patients have been isolated.

For information about the virus, call Health District’s Information Line at 702-759-INFO(4636) or 1-866-767-5038 or go to the district's website.