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A member asked:
Can a pfizer covid vaccine given 1 week after risk exposure give false negative test results for syphilis and hepatitis b 12 weeks after risk exposure? syp. rpr + wr test hep. b. hbsag + hbsab will body always produce enough ab and ag at 12 weeks?
4 doctors weighed in across 3 answers
Never heard of that but check with local Drs who will know in people like you who live where you livel
Answered 3/10/2023
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None of the covid vaccines can cause these lab test abnormalities. The results you report are confusing, however. Weakly reactive (WR) RPR needs a confirmatory test to know whether you might have past or current syphilis. If HBsAg is positive, you definitely are infected with hepatitis B virus. If only HBsAb positive, it's either past HBV or past immunization against hep B. Discuss w/ your doctor.
Answered 3/11/2023
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This has not been studied but logically it would be very rare to no Last part -yes if the immune system is normal
Answered 3/10/2023
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