Exemptions rose in 41 states, with 14 reporting that over 5% of kindergartners had an exemption from at least one vaccine.
California has reported 63 West Nile virus infections this year, including many in the Central Valley.
Vaccine effectiveness against rotavirus infection was highest in children younger than 3 years and declined with increasing age.
Clinicians should strongly recommend routine vaccinations for teens and verify that all—especially those in the Vaccines for Children program—are up to date, the authors say.
Among VFC-eligible children born during 2011 to 2020, coverage by age 24 months with one or more MMR dose and the combined seven-vaccine series was stable.
The vaccines have prevented an estimated 508 million cases of illness, 32 million hospitalizations, and 1.1 million deaths.
Children with a vaccine-hesitant parent varied by vaccine: 56% for COVID, 31% for flu, 30% for HPV, and 12% for other childhood illnesses.
But progress was made as well, with global uptake of at least one dose of HPV vaccine in girls increasing to 27% in 2023 from 20% in 2022.
The vaccine candidate covers the five groups of Neisseria meningitidis bacteria that cause most cases of invasive meningococcal disease.
Children whose families had more than $75,000 in annual income had a 4.6% mean annual increase in on-time vaccination.