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A member asked:
I did a fourth generation combo test ab/ag 12 days after exposure, 16, 21 and 28 days after exposure and all of them were negative. what is the probability that it will be positive after 45 days?
A doctor has provided 1 answer
Exposure to what?? I would go to CDC.gov and see if you can find details. Also you can go to pubmed.gov and search the worlds lit on this. I would search for time to become positive after exposure for whatever it is you are worried about. Good reason to use protection.
Answered 10/19/2022
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