Which of the following disease has incubation period< 1week?: (A) Cholera, (B) Kala-azar, (C) Filariasis, (D) Measles
Answer is A. Incubation period of cholera: 1-2 days. Incubation period of kala azar: 1-4 months. Incubation period of filariasis: 8-16 months. Incubation period of measles: 10-14 days.