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 An outbreak of streptococcal pharyngitis has occurred in a remote village. In order to carry out the epidemiological investigations of the outbreak it is necessary to perform the culture of the throat swab of the patients suffering from the disease. The transport media of choice would be: and explain in detail?
Ans. is 'b' i.e., Pike's media(Ref: Ananthanarayan, 9th/e, p. 215 and 8th/e, p. 211)"For cultures, swabs should be collected under vision from the affected site and either plated immediately or sent to the laboratory in Pike's medium (blood agar containing crystal violet and sodium azide)."* This medium is also used to preserve Streptococcus pyogenes, pneumococci and Haemophilus influenzae from nose and throat swabs.* Crystal violet inhibits gram positive bacteria and sodium azide inhibits gram-negative rods and non-haemolytic streptococci.