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When does Covid show up in a test?

(3 Posts)
JustSew Wed 13-May-20 16:47:44

Does anyone know whether you would test negative if you had contracted covid but not yet had symptoms?
A friend having urgent surgery has to have a test the day before. I would have thought she could still potentially have it, if she had been infected but not yet got symptoms?

OP’s posts: |
PeterWeg Wed 13-May-20 16:59:53

COVID test can be taken up to 5 days after symptoms appear. I suspect its not reliable outside that period.

TabbyMumz Wed 13-May-20 17:36:43

30%of tests are not reliable. Testing is better done on days 1 to 3.

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