Measles is a highly contagious, acute, respiratory disease.

 Causative organism is measles virus of genus morbilivirus.

Clinical features are prodromal illness, & pathognomic enanthem known as 'kopliks spot 'and characteristic rashes.

  Incubation period is 10-14 days. 

 The patient is contagious 1-2 days, before the onset of symptoms till 4 days after appearance of rashes. 

Complications involving respiratory tract, diarrhoea, hepatitis  & encephalities are more common in adults than children. 

Treatment  is mainly supportive , symptomatic treatment & management of complications.

Vitamin A supplementation should be done during measles episode. 

Vaccination with    live attenuated Edmontan zagreb strain is given as trivalent MMR vaccine.