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What is Regarding Shick's test which of the following is false? and explain in detail?
Ans. is 'b' i.e., Positive test means that person is immune to DiphtheriaSchick TestType - Neutralization test (Toxin - antitoxin).Use - It is used for susceptibility for diphtheria, Intradermal test readings are at 1-2 days and 5-7 days but not in use because safer toxoid preparations are available.Interpretation of the test Reaction in control arm indicates hypersensitivity (erythema and induration).Schick Test Positive means that person is susceptible to Diphtheria so vaccine was administered.Schick Test Negative means that person is immune to Diphtheria.