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It's also possible that people happened to develop antibodies for a different coronavirus that are also effective against SARS-CoV-2-- meaning they're true posi
by Scaevolus 6y ago
It's also possible that people happened to develop antibodies for a different coronavirus that are also effective against SARS-CoV-2-- meaning they're true positives (effective antibodies) that don't indicate an infection with SARS-CoV-2.
This happened with someone that survived SARS-CoV having effective antibodies against CoV-2: https://www.nature.com/articles/s41586-020-2349-y https://www.nature.com/articles/s41586-020-2349-y