SEATTLE (AP) — Health officials in Washington state said Sunday night that a second person had died from the coronavirus — a man in his 70s from a nursing facility near Seattle where dozens of people were sick and had been tested for the virus.

Researchers said earlier the virus may have been circulating for weeks undetected in Washington state.

In a statement, Public Health—Seattle & King County said the man died Saturday. On Friday, health officials said a man in his 50s died of coronavirus, the first death from the virus in the U.S.. Both had underlying health conditions, and both were being treated at a hospital in Kirkland, Washington, east of Seattle.

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Washington state now has 12 confirmed cases.

State and local authorities stepped up testing for the illness as the number of new cases grew nationwide, with new infections announced in California, Florida, Illinois, Rhode Island, New York and Washington state.

Authorities in the Seattle area reported four new cases Sunday night, including the man who died. Two health care workers in California were also diagnosed. Of the new Washington state cases, two were women, one in her 80s and another in her 90s. Both were in critical condition. A man in his 70s was also in critical condition. All three were from the LifeCare nursing facility in Kirkland, Washington, where health officials said 50 people are sick and being tested for the virus.

On Sunday night, the International Association of Fire Fighters said 25 members who responded to calls for help at the nursing facility are being quarantined.

Source: Authorities announce 2nd coronavirus death in US