At least 47 cases of measles have been detected in Madhya Pradesh's Indore in the last one month and 83 per cent of the infected persons had not been vaccinated, an official said on Monday.

The administration has received reports of 47 cases of measles in one month, and the affected persons range from a six-month-old baby to a 19-year-old man, district immunisation officer Dr Tarun Gupta told PTI.