You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Positive Schick test indicates: and explain in detail?
Schick Test: The immune status of a person can be assessed by Schick's test. The test is performed by intradermal injection of 0.1 mL of purified standardized toxin. If the patient has no anti toxin, the toxin will cause inflammation at the site 4 to 7 days later. If no inflammation occurs, antitoxin is present and the patient is immune. A positive schick test indicates susceptible to diphtheria. Ref: Levinson W. (2012). Chapter 17. Gram-Positive Rods. In W. Levinson (Ed),Review of Medical Microbiology & Immunology, 12e.