Yet another antibody study showing it’s been far more prevalent than “reported” cases indicate.
Seroprevalence of Antibodies to SARS-CoV-2 in 10 Sites in the United States, March 23-May 12, 2020
For most sites, it is likely that greater than 10 times more SARS-CoV-2 infections occurred than the number of reported COVID-19 cases; most persons in each site, however, likely had no detectable SARS-CoV-2 antibodies.
The short form is that they collected leftover blood samples (from things like cholesterol screening) from ten cites across the US. NYC is particularly interesting.
There, they used samples gathered from March 23 to April 1; notes those dates. 6.9% were positive for CHinCOVID antibodies. Applying that figure to NYC’s population extrapolates to 564,084 cases that had been exposed, went through the incubation period (roughly 6 days on average; 5 to 14 days in practice), and recovered (another 14-25 days). Let’s call it a minimum of 24 days to show detectable antibodies.
By April 1, NYC had at least half a million recovered cases. Their official statewide cumulative case count on 4/1 was 85,050.
Based on the antibody tests, those cases occured between February 28 and March 8. New York state‘s first officially known case was on March 2. Reality is, they had hundreds of thousands of now-known cases.
ChinCOmmon Cold was widespread long before anyone started talking lockdowns (March 22 in NYC).
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Random Acts of Gibberish 