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 Post exposure prophylaxis is given in A/E and explain in detail?
Ans. is 'c' i.e., Pertussis Active immunoprophylaxis after exposure to disease is recommended for:RabiesTetanusHepatitisMeasles (within three days of exposure)*VaricellaMeasles vaccine can be given post exposure (within three days of exposure) because incubation period of measles is 7 days when the respiratory tract is bypassed (as with vaccine which is given subcutaneously) whereas normal incubation period is 10 days* from exposure to onset of fever (and 14 days to appearance of rash).