As of March 2025, the United States has already surpassed the total number of measles cases reported for all of 2024. This surge is driven by a multistate outbreak that has reached nearly 300 cases, with Texas, New Mexico, and Oklahoma being the most affected. In Texas alone, 259 cases have been reported, with the majority occurring in unvaccinated individuals.
The Centers for Disease Control and Prevention (CDC) reports that the measles-mumps-rubella (MMR) vaccine is 97% effective with two doses. Despite this, declining vaccination rates have contributed to the resurgence of measles, a highly contagious disease that can lead to severe complications such as pneumonia, brain swelling, and death.
In Europe, the situation is equally alarming. The number of measles cases in the European region doubled last year to reach the highest level in 25 years. A joint report by the World Health Organization (WHO) and UNICEF revealed that children under the age of five accounted for more than 40% of the cases reported in Europe and Central Asia. Romania and Kazakhstan reported the highest numbers of cases, with 30,692 and 28,147 cases, respectively.
Health officials emphasize the importance of maintaining high vaccination rates to prevent outbreaks. Dr. Hans Henri Kluge, WHO Regional Director for Europe, stated, "Without high vaccination rates, there is no health security." The recent rise in cases has been attributed to a decline in immunization coverage during the COVID-19 pandemic.
Travelers are advised to ensure they are up to date with their MMR vaccinations before traveling, especially to areas experiencing outbreaks. The CDC and WHO continue to stress the importance of vaccination as the most effective measure to prevent the spread of measles.
Source: CNN, WHO/UNICEF