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High-Purity Fact Pipeline
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High-Purity Fact Pipeline
Pan American Health Organization (PAHO)
Americas
June 3, 2026
"PAHO urges increased measles surveillance and vaccination ahead of the World Cup in Canada, Mexico, and the US. Measles cases in the Americas have increased fourfold compared to the same period in 2025. Travelers are advised to ensure vaccination status before attending mass gatherings."
Author: Laurie Garrett
This classic work provides a comprehensive look at how global travel and human movement facilitate the rapid spread of infectious diseases, offering essential context for why mass gatherings like the World Cup pose significant public health risks.