So what about the 14% who tested positive for antibodies?
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Let’s start by flashing back to what we said before the test results came in:
Estimates from other earlier-infected countries indicate that only 15% of people infected by the coronavirus experience severe symptoms.
So, given that NY has had about 250,000 confirmed cases (which required severe symptoms), we would expect that the total number of people already infected in New York is 1.67 million (250,000 confirmed cases divided by 15%) … which is 8.6% of the NY population (1.67 divided by 19.5).
OK, the first wave of testing found that 14% of sampled New Yorkers tested positive for coronavirus antibodies … indicating that they had been infected.
That projects up to about 2.7 million people (14% times 19.4 million population).
For details, see: NY antibody test results
So, is 14% testing positive for antibodies good news or bad news?
The Homa Files 