Pandemic is defined as -
Ans. is 'd' i.e., Epidemic is large population Sporadic - Disease occurring irregularly from time to time. Endemic - Disease occurring regularly in expected frequency. Epidemic - Disease occurring in excess of expected frequency. Pandemic - Epidemic affecting a large proportion of the population over a wide geographic area.
Endemic in small population
Endemic in large population
Epidemic in small population
Epidemic is large population
Epidemiological Study