<prompt> Which of the following disease has incubation period 1week?CholeraKala-azarFilariasisMeasles  <response>: 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. 