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Considering the White House has been doing daily COVID tests long before Trump caught it and has still had multiple large spread events, I'd say it doesn't tell
by brewdad 6y ago
Considering the White House has been doing daily COVID tests long before Trump caught it and has still had multiple large spread events, I'd say it doesn't tell you much.
If you could all get tested a week before, isolate completely for the next 7 days, and continue to test negative the day before or day of, then you can be confident.
Otherwise, with the 5-7 lag where you can be infected and spreading the disease while still testing negative and having no symptoms, a single test isn't a guarantee. Depends on your group's specific risk factors.
- lacker 6y agoI mean, it’s a little better because the danger window is 7 days instead of 14 days. A back of the envelope estimate would be that 2X people with clear coronavirus tests have equivalent risk of someone having coronavirus as X people who have had no testing.
- mixmastamyk 6y agoWH folks were traveling all over the country for election events.
- usrusr 6y agoWhat's the point of sandwiching the 7 days between tests? Wouldn't 7 days isolation, then test be just as good? The only scenario (ignoring actual technical false negatives) where you'd get positive on the first, negative on the second would be a very late stage where infectivity was mostly over already at the time of the first test.