In a community, an increase in new cases denotes:: (A) Increase in incidence rate, (B) Increase in prevalence rate, (C) Decrease in incidence rate, (D) Decrease in prevalence rate
Answer is A. Incidence is defined as, "the number of new cases occurring in a defined population during a specified period of time". Incidence measures the rate at which new cases occur in a community. Ref:Parks Textbook of Preventive and Social Medicine By K.Park, 18th Edition, Page 55