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Slack / Private Message Drop, p.152 [SLACK_000366] · slack_pm:msg:01557

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I agree but even so. One of the 6 is 2 years old.

In context

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2020-09-01 14:21 Edward C. Holmes open

Not entirely unexpected given some of the common cold coronas. The classic literature (by Phil Minor) was suggesting multiple infection episodes within a year.
2020-09-01 14:36 Andrew Rambaut open

But in this case it smells fishy. I don't believe there was enough SC2 around in Beijing for 6 out of their 273 patients even to have multiple exposures of radically different viruses, let alone actually become infected.
2020-09-01 14:40 Edward C. Holmes open

Perhaps, but the official numbers from China are clearly large underestimates.
2020-09-01 14:41 Andrew Rambaut

I agree but even so. One of the 6 is 2 years old.
2020-09-01 14:42 Andrew Rambaut open

(but I don't know how I know that because I haven't seen the paper)
2020-09-01 14:42 Edward C. Holmes open

Excellent educated guess.
2020-09-01 14:44 Edward C. Holmes open

There are two different things: (i) does the paper show reinfection; (ii) does it give a reliable frequency of reinfection because of sampling biases.
2020-09-01 14:49 Kristian G. Andersen open

Trying to get clarity on some of these questions - because both are important. I requested the raw data, so going totake a look at that first in case something got mixed up.If these six are actual my high risk (e.g. frontline workers assuming they're immune) than I can believe it. But ifthey're a random sampling, then it looks really unlikely - and yes, there's a baby in there too....