Epidemiological Alert - Measles in the Region of the Americas - 29 January 2024

Given the challenges related to the persistence of low coverage of the first and second doses of the vaccine against measles, rubella, and mumps (MMR1 and MMR2), the increase in measles cases globally, and the occurrence of imported cases in countries in the Region of the Americas, the Pan American Health Organization / World Health Organization (PAHO/WHO) urges Member States to continue with activities to increase and maintain adequate vaccination coverage against measles, rubella, and mumps and reiterates that vaccination, epidemiological surveillance, and preparation of rapid response to measles and rubella outbreaks constitute the three major strategies to annually monitor and reverify the interruption of endemic transmission of these viruses.