Dr. Deborah Birx, the response coordinator for the White House's COVID-19 task force, said Tuesday during a briefing that anyone who was in the NYC metro area over the past week to isolate themselves.
Dr. Birx had said Monday that the NY metro area has an "attack rate" about five times higher than in other parts of the country.
Her message was reiterated by Vice President Mike Pence, who said the federal government is dealing with NY as "a high-risk area" and will continue to surge resources to the region.
"These cases are all over the country, it's not just in NY", he added. Mayor Bill DeBlasio said that 131 have died in New York City from the coronavirus, warning that many more fatalities are to come.
In an extraordinary escalation of steps taken to mitigate the spread of coronavirus from NY, the White House announced that all visitors who recently left the city to self-quarantine for two weeks.
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Why it matters: "We don't want that to be another seeding point to the rest of the country", Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, said at the coronavirus task force briefing on Tuesday.
"But to everyone who has left NY, because of the rate of cases, you may have been exposed before you left NY".
Florida Gov. Ron DeSantis made a similar request of New Yorkers on Monday, many of whom are headed to - or returning to - the Sunshine State. "A lot of people fled the city and they are going to stay with their parents or fly [out]", DeSantis said during a press conference at a retirement community of 80,000 residents north of Orlando.
"That's about eight to ten times more than in other areas", Brix said. All New York workers must remain inside as much as possible, with few exceptions, such as workers in essential services and people getting health care or buying food.
"Take the guidelines that we've issued and avoid nonessential travel", Pence added.