Calculate the prevalence if incidence is 2 cases per 1000 population per year and mean duration is 4 years -: (A) 8 Cases per 1000 population, (B) 2 Cases per 1000 population, (C) 0.5 Cases per 1000 population, (D) 32 Cases per 1000 population
Answer is A. Ans. is 'a' i.e., 8 Cases per 100 population o Prevalence = 2 x 4 = 8 Causes per 1000 populations