Full Version: Early cases(??) in the US
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Has anybody critically looked at the report of finding COVID antibodies in blood samples in 5 states from 2019?   I haven't had time to chase it down.

For instance, 
Did they also check 2018 and, say, 2010, and found none there?
Did they double check the positives to make sure it wasn't a false positive?
Are they detecting antibodies to any Coronavirus, or is it specific to SARS-CoV2 ?