21 Mar
2020
21 Mar
'20
10:48 p.m.
I think it's been attributed to false positive initial tests followed by a true negative and a true positive. Brent On 3/21/2020 6:36 PM, Tomas Rokicki wrote:
There's been a worrisome number of COVID19 cases where people are *re-infected* weeks after testing negative.
Do you have a reputable source for this?
-tom _______________________________________________ math-fun mailing list math-fun@mailman.xmission.com https://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun