Positive Schick’s test indicates that person is:
Correct Answer: Susceptible to diphtheria
Description: Positive Schick's test indicates that person is Susceptible to diphtheria. Schick test: Toxin-antitoxin neutralization test. Done on the people before staing immunization to identify susceptible individuals. Susceptible individuals develop erythema and induration on test arm following intradermal inoculation (0.2ml I/D MLD) of toxin. Vaccine is administered only to those susceptible people. Since now safer toxoid preparations are available, it is obsolete.
Category:
Microbiology
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