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… Hepatitis B: Post-Vaccination Test for Immunity On this page: Overview Overview A post-vaccination test for immunity to the hepatitis B virus (HBV) is recommended only … With the exception of infants, a post-vaccination test for immunity, when needed, should be done between 1 and 6 months …
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… never had chickenpox or the chickenpox vaccine, you have no immunity against the virus. This means that the virus can … Plan to or can possibly become pregnant. Having chickenpox immunity prevents complications of chickenpox during … of chickenpox. Are required to prove chickenpox immunity for work or school. Treatment Overview Treatment …