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A member asked:
Would a negative rna pcr and combo test at 6 weeks post pep be conclusive?
A doctor has provided 1 answer
While a positive combo test is valid anytime, a negative test has to be negative at 90 days to be conclusive. The rna pcr test is said to be 100% conclusive if done after 10-12 days post exposure but is felt to be less accurate after 3 months post exposure as antibodies formed from the infection can negate the test. m
Answered 11/11/2022
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