PAHO Issues Alert to Boost Vaccinations Amid Measles Outbreak in Americas

The Pan American Health Organization (PAHO) has issued an urgent epidemiological alert, calling on countries across the Americas to intensify vaccination campaigns in response to a significant surge in measles cases.

This year, the region has reported 47,500 confirmed measles cases and 44 deaths across sixteen and three countries, respectively. This figure represents more than a threefold increase compared to the entirety of 2025, when 15,000 cases and 32 deaths were recorded. PAHO warns that the Americas are experiencing the highest number of measles cases in over two decades.

The majority of confirmed cases, approximately 95%, are concentrated in Guatemala, Mexico, the United States, and Peru. PAHO's assessment classifies the public health risk associated with measles in the Americas as 'very high.' The organization highlights concerns over rising mortality rates, the spread of cases into new areas due to international travel and mass gatherings, and the impact on populations with limited access to healthcare services.

Measles, a highly contagious airborne disease, presents symptoms such as high fever, cough, runny nose, conjunctivitis, and a distinctive rash. In severe instances, it can lead to serious complications including pneumonia, encephalitis, blindness, and even death. PAHO emphasizes that vaccination remains the most effective method for preventing the disease and curbing its transmission.