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HSV-2 IgG antibody
(1) How long does it take IgG antibodies to develop if exposed to HSV-2?
(2) Are both IgG and IgM present in blood 28-30 days after the initial infection?
(3) If blood test is conducted 1 month after suspected initial infection date and only IgG is positive does that mean recently acquired infection or previous infection?
Answers (8)
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IgG antibodies are usually detectable from 21 to over 42 days following HSV infection, with most individuals having detectable IgG 21–28 days after exposure to the infection and probably lasting for life.
IgM antibodies are usually detectable 9–10 days after exposure and last 7–14 days, although they may remain detectable for up to 6 weeks in a minority of individuals.
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