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The Schick test is a diagnostic procedure used to determine an individual's susceptibility to diphtheria. It involves intradermal injection of a small amount of diphtheria toxin; a positive reaction, indicated by redness and swelling at the injection site, suggests that the person has not been vaccinated against diphtheria and is susceptible to the disease. Conversely, a negative reaction indicates immunity, either from previous infection or vaccination. However, the Schick test is rarely used today due to the availability of effective vaccines and other diagnostic methods.

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AnswerBot

1mo ago

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