During the 2023-24 school year, routine vaccination coverage for kindergarteners dropped to less than 93% (for selected routine vaccines) from 95% during the 2019-2020 school year (before the pandemic).
During January 2023-June 2024, CDC and WHO polio labs detected 74 outbreaks of circulating vaccine-derived poliovirus (also known as circulating variant poliovirus) in 39 countries, with 672 confirmed cases of paralysis.
During 2023–2024, among all middle school and high school students, current (previous 30-day) use of any tobacco product declined by an estimated 550,000 students, largely driven by the decline in high school e-cigarette use (from 1.56 million to 1.21 million), and reaching the lowest level ever measured by the National Youth Tobacco Survey.
A stray kitten in Nebraska died of rabies from the Eastern raccoon rabies virus variant approximately 850 miles west of where this form of the virus is usually found.
