Commentary the last few months has been at odds with that
(holding up, more starts to go, or goes quite a lot in mild or no symptoms).New England Journal of Medicine - half life of antibodies is 73 days in mild cases. Nature medicine also had a study in June that said for those without symptoms a large percentage became antibody positive quickly, and for those with serious symptoms around a seventh...
It was a passing comment. I found it odd that the imperial studied crunched out lower numbers than a previous robust study. One explanation is the antibody positive threshold for the virus has gone already. Or that could be nonsense. The study is important, but it doesn't tell us anything new as far as I can see apart from drilled down detail. As our most argumentative poster is back, of course the antibody levels don't really tell us much at all and what level of antibodies equates to partial protection hasn't been worked out yet at all. That's obvious but he'll probs be around in a second or two. What has been learned about antibodies so far is however quite troubling in terms of a vaccine search though.
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