Measles Outbreaks Pose Rising Risk to Travelers

Global measles cases are surging, with outbreaks in popular travel destinations like the southern U.S. And Mexico prompting health officials to urge Canadians to verify their vaccination status before traveling. The resurgence of this highly contagious disease, coupled with declining vaccination rates, presents a significant public health concern.

Global Measles Resurgence in 2026

The global spread of measles shows no signs of slowing down in 2026. Mexico has reported over 2,700 fresh cases this year, primarily affecting infants and young children. The U.S. Has identified more than 900 confirmed cases, according to the U.S. Centers for Disease Control and Prevention (CDC). Outbreaks are particularly prominent in Florida, with approximately 60 cases linked to a university near Naples and in South Carolina, which is experiencing its largest outbreak in over two decades.

Canada Loses Measles Elimination Status

Canada lost its measles elimination status in November 2025 after more than 12 months of continuous transmission. A recent cluster of over 70 cases has been identified in Manitoba. The return of measles in Canada has had “devastating” impacts, with some children experiencing brain infections, deafness, and requiring intensive care. Tragically, two pre-term infants died in 2025 after contracting measles before birth.

Americas Face a 40-Fold Increase in Cases

The Pan American Health Organization (PAHO) announced a 40-fold increase in measles cases in the Americas during the first three weeks of 2026 compared to the same period in 2025. As of November 7, 2025, 12,596 confirmed cases had been reported across ten countries, representing approximately 95% of the region’s cases. Twenty-eight deaths have been recorded: 23 in Mexico, 3 in the United States, and 2 in Canada.

Factors Contributing to the Resurgence

Health officials and medical experts attribute the return of measles to several factors, including a rise in anti-vaccine sentiment and declines in routine childhood immunizations during the COVID-19 pandemic. Vaccination coverage with the measles, mumps, and rubella (MMR) shot across the Americas showed a slight increase in 2024 – from 87 to 89% for the first dose, and from 76 to 79% for the second dose – but remains below the 95% target needed to prevent outbreaks.

Travel Recommendations and Vaccination

With March Break travel approaching, health officials emphasize the importance of checking vaccination status before traveling. Most Canadians require two doses of the measles vaccine, typically administered between 12 to 15 months and 18 months of age (or before school entry). Infants as young as six months can receive an early dose of the measles shot, though an extra dose will be needed later.

The 2026 FIFA World Cup and Public Health Concerns

The United States, Canada, and Mexico are reporting significant measles resurgences as they prepare to host the 2026 FIFA World Cup. This raises concerns about potential transmission during the tournament, highlighting the need for stronger vaccination and surveillance efforts.

Measles: A Highly Contagious Disease

Measles is a highly contagious, airborne disease that can lead to serious complications, including respiratory failure and permanent brain damage, particularly in young children, pregnant individuals, and those with weakened immune systems. Even brief exposure to an infected individual can pose a risk to those who are not immunized.