Updated at 11:25 a.m. ET
A man in Washington state has become the second person in the U.S. to die from a coronavirus disease known as COVID-19. The man was in his 70s and had been living at a nursing facility near Seattle that is now suspected of being the site of America's first outbreak of the new coronavirus.
News of the man's death came just one day after officials reported Washington state's first death from the illness — also in King County.
The second victim, who has not been identified, was a resident at the Life Care Center of Kirkland, where dozens of other people have shown symptoms of COVID-19. The nursing center northeast of Seattle says anyone with symptoms is being isolated under infection control protocols, but it notes that at this time of year colds and flu-like symptoms are common.
There have now been 10 confirmed cases of the coronavirus illness in the Seattle area, according to the public health agency for Seattle and King County.
"A team of CDC officials is on-the-ground" in King County to help the local effort, according to Public Health — Seattle & King County.
There are currently at least 91 cases of the coronavirus illness in the U.S. — including 48 cases among people repatriated from China and from the Diamond Princess cruise ship — according to the Centers for Disease Control and Prevention.
Over the weekend, health officials reported the first confirmed COVID-19 cases in Florida, New York and Rhode Island.
"Florida has 2 presumptive positive #COVID19 cases," the Florida Department of Health says via Twitter. "One adult resident of Hillsborough County and one adult resident of Manatee County. Both individuals are isolated and being appropriately cared for."
The New York case involves a woman in her 30s who had recently traveled to Iran and is now isolated in her home. While she has symptoms of COVID-19, she is not in serious condition and "has been in a controlled situation since arriving to New York," Gov. Andrew Cuomo said in a statement.
In the Rhode Island case, the patient "is in their 40s and had traveled to Italy in mid-February," the Rhode Island Department of Health said. It added that the Centers for Disease Control and Prevention is working to trace people who were on the patient's return flight to the U.S.
The coronavirus illness is likely to continue to spread in the United States, health officials say. In a sign of that, cases of "community spread" — among people with no history of travel to affected areas or contact with people known to be infected — have now been reported in California, Washington state and Oregon.
Health officials expect more coronavirus cases to be reported in the U.S., as more labs across the country add the ability to test for the novel coronavirus that causes COVID-19.
The health departments in both New York and Rhode Island had only recently gained the ability to test for the virus; for weeks, the CDC was the only U.S. agency capable of carrying out such tests. As more labs test for the virus, their results are being reported as presumptive, with the federal agency still relied upon for a final confirmation.
To prevent the virus from spreading, experts recommend the same measures that limit any virus, from washing hands with soap and water for at least 20 seconds to coughing in elbows and avoiding handshakes. The CDC says it "does not recommend that people who are well wear a facemask to protect themselves from respiratory diseases, including COVID-19."
COVID-19's most common symptoms include fever, shortness of breath and a dry cough, the World Health Organization says. And in most cases, people don't develop a serious illness.
"Most patients (80%) experienced mild illness," the World Health Organization said in a recent update on the coronavirus. "Approximately 14% experienced severe disease & 5% were critically ill."
There are currently about 90,000 confirmed cases of the novel coronavirus in the world. Of that number, slightly more than half — nearly 45,400 people — have recovered from the virus. But more than 3,000 people have died.
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