18th Century Measles Epidemic: Worst Outbreak in US History

by Grace Chen











NEW YORK, July 7, 2025

Measles Making a Comeback

Measles cases are climbing in the Americas, sounding alarms.

  • Measles cases are increasing in the Americas.
  • The U.S. is seeing its highest measles levels in over 30 years.
  • Vaccination is crucial to prevent outbreaks.

The Americas are currently grappling with a concerning increase in measles cases. **What’s driving this resurgence?** The rise in measles cases is attributed to a combination of factors, including decreased vaccination rates and increased global travel, making it a pressing public health concern.

Measles on the March

The United States is witnessing a disturbing return of measles, with levels unseen in over three decades. This resurgence poses a significant threat, especially to unvaccinated communities. The Pan American Health Organization (PAHO)/WHO has also reported increasing cases of measles in the Americas in 2025.

Historical Context

The worst measles epidemic in the United States occurred in the 18th century. Today, while medical advancements exist, vigilance remains key to preventing history from repeating itself.

Regional Impact

Latin America is also facing the challenges of the measles epidemic. The highly contagious nature of the disease requires coordinated efforts to control its spread across borders.

Measles is a highly contagious viral disease that can spread quickly through respiratory droplets produced when an infected person coughs or sneezes. Vaccination is a safe and effective way to prevent measles.

Vaccination: The Best Defense

Vaccination remains the most effective way to combat measles. Public health organizations advocate for widespread immunization to achieve herd immunity and protect vulnerable populations.

Recent Measles Surge in the U.S.

The U.S. is grappling with a significant resurgence of measles, marking a high point not witnessed in over 30 years. This increase underscores the critical need for robust vaccination efforts and heightened awareness to curb the disease’s spread.

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