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Nearly 1 in 7 people in New York who were arbitrarily tested for coronavirus antibodies turned out to have them , Governor Andrew Cuomo announced today ( April 23 ) . In New York City , the number is even higher : About 1 in 5 people tested positive for antibodies to SARS - CoV-2 .
If those early results interpret to the rest of the New York population , that would entail about 2.7 million citizenry across the province would have been infected .
The antibodies advise these people were exhibit at one point to the coronavirus and recovered , Cuomo enunciate . However , it is still not known whether or not these hoi polloi are now immune to it .
New York began a statewide antibody study on Monday ( April 20 ) and has pull together around 3,000 samples from 40 locations in 19 county across the state so far . In New York City , around 21 % of randomly sampled people had antibody against the coronavirus ; on Long Island , about 16.7 % had antibody ; in Westchester and Rockland around 11.7 % had antibody ; and in the residuum of the land 3.6 % had antibody , Cuomo said .
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These tests were conducted over a two - sidereal day period of time at grocery store and other big box memory board . " The sampling was by definition people who were outside the home , " Cuomo say . " So we have to analyze that , what does that do to the numbers . " These were n’t people who were home , isolate or quarantine , Cuomo say . " What does that mean , I do n’t know . " People who tend to stay home likely have lower pace of infection , he supply .
If the factual infection rate among the integral universe is similar to the early sample infection charge per unit they see of 13.9 % , it would change the destruction rate of the state , Cuomo said . New York is report 15,500 COVID-19 death , and if 2.7 million the great unwashed were infect , that would mean the demise pace would be 0.5 % , Cuomo said .
However , that comes with " two boastful caveats , " he pronounce . This data point is preliminary and is only a sample of 3,000 people . In add-on , the state does n’t calculate people who go at home — not in a nursing home or infirmary — or who were never test for COVID-19 , in their official tally of COVID-19 fatality .
The state will keep on quiz to understand if these preliminary results hold true for a larger subset of the population .
Similar antibody testing in Santa Clara County find that between 2.5 % and 4.2 % of multitude in the county may have been exposed , which is 50 to 85 times greater than the phone number of cases being reported at the time , according to a former Live Science study . Similarly , tests in Los Angeles find that up to 5.6 % of people may have been infected with the coronavirus , grant to the county’sHealth Department . But experts antecedently told Live Science that those identification number are potential to be too high , because the antibody examination used in these view had a eminent sour - positive pace , making their preponderance estimate potential very uncertain .
Originally published onLive Science .
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