<prompt> Food poisoning is an example of:Point source epidemicPropagated source epidemicCommon source epidemicPandemic  <response>: 1. Point source epidemic single exposure Sudden rise sudden fall. Cluster of cases in single IP. All cases develop within one incubation period of the disease E.g. Food poisoning , Bhopal gas tragedy. 2. Common source , continuous or repeated exposure epidemics Sharp rise Fall is interrupted by secondary peaks Eg. Contaminated well in a village,Water Borne Cholera. 3. Propagated source epidemic Gradual rise gradual fall over long time. Person to person transmission E.g:- HEP. A, POLIO. 