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Results 1 - 4 of 4 for Active immunity
  1. ... you have a recent, or past infection, or immunity to hepatitis A Hepatitis B test results: Hepatitis B surface antigen (HBsAg): you have an active hepatitis B infection, either recent or chronic (long- ...
  2. ... vaccine or Tdap vaccine is used to maintain immunity in people age 7 and older. Tdap vaccine ...
  3. ... HD. Laboratory evaluation of immunoglobulin function and humoral immunity. In: McPherson RA, Pincus MR, eds. Henry's Clinical ...
  4. ... from COVID-19 To check the level of immunity within a population and estimate vaccine coverage ... may need a diagnostic test to confirm an active infection with SARS-CoV-2. You should stay ...