Antibody Tests Show Nearly 14 Percent br of New Yorkers Likely Had COVID-19 According to Governor Andrew Cuomo, the br random tests involved 3,000 people in 19 counties. They came a few days after the FDA br approved antibody tests for New York, which would let the state see exactly br how many have been infected. The tests were meant to determine if the subjects br previously had coronavirus and then recovered from it. This would mean they had antibodies br needed to fight off the disease. Andrew Cuomo, via br press briefing Andrew Cuomo, via press briefing The people tested were at shopping locations br and grocery stores, which Cuomo said may br be the reason for the high percentage. Andrew Cuomo, via br press briefing Cuomo added that the test sample's br data is "preliminary, but significant.