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We don't know this. We would need full contact tracing and much faster testing to know this. Plus, we now know antibodies may _not_ be the biggest contributor t

We don't know this. We would need full contact tracing and much faster testing to know this. Plus, we now know antibodies may _not_ be the biggest contributor to the immune response. It seems T-Cells are in some cases able to fight the disease without ever mounting an antibody response Thus no antibodies. But the ol' maxim applies here: absence of evidence is not evidence of absence

notacoward 6y ago
> absence of evidence is not evidence of absence That applies to infection/transmission via schools in general. Precisely because we don't have decent testing and tracing, we have a large number of cases whose origin is unknown. Schools have to be considered as one possibility, especially considering the several cases where reopening schools has been strongly correlated with spikes in infections. The precise mechanism doesn't matter. It's a red herring. Whether it's kid to kid, parent to teacher, cafeteria workers, whatever, it seems to happen some of the time. Until we've clearly ruled out a cause for those unknowns, we have to consider it still operative.