The Centers for Disease Control and Prevention (CDC) released data on August 17, 2026, indicating a decline in vaccination rates among US kindergarteners for the 2025–2026 school year. The data shows that vaccination rates have decreased from the previous year, continuing a trend that began in the 2019–2020 school year, when rates were approximately 95 percent, the level necessary to prevent outbreaks of vaccine-preventable diseases. Currently, 92.4 percent of kindergartners received the measles, mumps, and rubella (MMR) vaccine, a slight decrease from 92.5 percent the prior year. Similarly, coverage for the DTaP vaccine fell from 92.1 percent to 92.0 percent.
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CDC Reports Decline in US Vaccination Rates for Kindergarteners
The CDC has reported a decrease in vaccination rates among US kindergarteners for the 2025–2026 school year, with only 92.4 percent vaccinated with the MMR vaccine. This marks a continuation of a downward trend in vaccination rates since the 2019–2020 school year.
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US vaccination rates fall again as exemptions continue to rise, CDC data shows
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CDC Reports Decline in US Vaccination Rates for Kindergarteners