How Measles, Polio and Other Eliminated Diseases Could Roar Back If U.S. Vaccination Rates Fall

image via New Scientist

May 16, 2025, 11:00 AM

• •A recent study projects that even a slight dip in U.S. childhood vaccination rates could cause measles, polio, rubella, and diphtheria to reemerge within 25 years.
• •The study highlights that small improvements in vaccination rates can make a massive difference in preventing the resurgence of these diseases.
• •Reduced vaccination rates can also threaten global disease eradication efforts.

A recent study published in JAMA projects the potential reemergence of measles, polio, rubella, and diphtheria in the U.S. within 25 years due to declining vaccination rates. The study indicates that even a slight decrease in current immunization levels could reverse the progress made in eliminating these diseases. Conversely, a slight increase in vaccination rates could effectively prevent their resurgence. The study emphasizes the critical importance of maintaining and improving vaccination coverage to protect public health.

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