Epidemiology deals with the study of
Mode of transmission of diseases
Disease causing organisms
Development of resistance against diseases
Skin ailments
Pasteurella/Yersinia pestis (causal agent of Bubonic Plague) is transmitted by
Which of the following is a non-specific type of defense that is present at the time of birth?
A person who is addict of alcohol gets his liver destroyed because
The harmful allele of sickle cell anemia has not been eliminated from human population. Such afflicted people derive some other benefit. Discuss.
Edward Jenner discovered