Worldwide, there were an estimated 10.3 million cases of measles in 2023, a 20% increase from 2022, according to new estimates from the World Health Organization (WHO) and the U.S. Centers for Disease Control and Prevention (CDC). Inadequate immunization coverage globally is driving the surge in cases.
As a result of global gaps in vaccination coverage, 57 countries experienced large or disruptive measles outbreaks in 2023, affecting all regions except the Americas, and representing a nearly 60% increase from 36 countries in the previous year. The WHO African, Eastern Mediterranean, European, Southeast Asia and Western Pacific regions experienced a substantial upsurge in cases. Nearly half of all large or disruptive outbreaks occurred in the African region.
This is a reminder: Travel medicine consultation is a good opportunity to check measles vaccination status.
Swiss recommendations: all persons born after 1963 who have no documented protection against the infection (antibodies or 2 documented vaccinations) should be vaccinated twice with MMR vaccine. In the event of an epidemic in the region or contact with a measles case, vaccination is recommended from the age of 6 months.
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