PAHO Warns of Very High Measles Spread Risk During Religious Gatherings in Americas

The Pan American Health Organization (PAHO) has assessed the risk of measles transmission as very high across the Americas ahead of major religious mass gatherings scheduled in the region. Measles is a highly contagious viral infection that spreads rapidly in crowded settings where vaccination coverage may be incomplete. Large religious congregations create ideal conditions for disease transmission, particularly affecting vulnerable populations including unvaccinated individuals and those with weakened immune systems. PAHO recommends verifying vaccination status before attending such events and ensuring communities maintain high immunization rates to prevent outbreaks.