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What is The marker used for determining efficacy of Hepatitis B Vaccination is? and explain in detail?
ANSWER: (D) Anti HBsAgREF: APPENDIX-28 below for "MARKERS OF HEPATITIS-B""Positive Anti HBsAg determines the efficacy of hepatitis B vaccination" APPENDIX - 28Markers of Hepatitis-BWeeks after exposureTestsResultsInterpretationHBsAgAnti-HBcAnti-HBsNegativeNegativeNegativeSusceptibleHBsAgAnti-HBcAnti-HBsNegativePositivePositiveImmune due to natural infectionHBsAgAnti-HBcAnti-HBsNegativeNegativePositiveImmune due to hepatitis B vaccinationHBsAg Anti-HBc IgM anti-HBc Anti-HBsPositivePositivePositiveNegativeAcutely infectedHBsAg Anti-HBc IgM anti-HBc Anti-HBsPositivePositiveNegativeNegativeChronically infectedHBsAgAnti-HBcAnti-HBsNegativePositiveNegativeInterpretation unclear' four possibilities:1. Resolved Infection (most common)2. False-positive anti-HBc, thus susceptible3. "Low level" chronic infection4. Resolving acute infection