So the anti body test numbers don't include the large number of people who were infected over the last three weeks, and who are asymptomatic.
Many New Yorkers already have the COVID-19 infection, whether they are aware of it or not. As of today, over 43 percent of those tested are positive in The Bronx. We are developing a significant degree of natural herd immunity.
Add the newly asymptomatic to the 43% and we're starting to talk herd immunity numbers.
As of February 29th, Fauci was saying...don't worry about it...go on as usual.