The number of new cases occuring in a defind population during a specified period of time is called: (A) Period prevalence, (B) Point prevalence, (C) Prevalence, (D) Incidence
Answer is D. Incidence is defined as the number of new cases occurring in a defined population during a specified period of time.incidence rate refers only to new cases,during a given period and also in a specified population or population at risk.ref:parks textbook of preventive and social medicine,22 nd edition,pg no 58