Introduction: Measles is a febrile rash disease, caused by a virus of the Paramyxoviridae family (Morbillivirus) which is transmitted by air, from one person to another, by respiratory droplets suspended in the air. In week 3 of the year 2023, 6 (six) suspected cases of measles were notified by the Bla central health area, following this notification we carried out an investigation. The objective of our study was to investigate suspected cases of measles in the Bla Central health area, health district of Bla, January 2023