Vaccination and Immunization

New research using a natural experiment design found consistent reductions in diagnosed influenza among vaccinated young children in every season studied from 2016 to 2023.

French data suggest dual RSV immunization with RSVpreF and nirsevimab was associated with low infant RSV hospitalization rates.

Modeling data suggest removing universal hepatitis B birth-dose vaccination could increase neonatal and chronic HBV infections in US infants.

The review found no credible evidence linking HPV vaccination to serious adverse pregnancy outcomes or other long-term health risks.

Raising pediatric flu vaccination to 70% could significantly reduce outpatient visits, hospitalizations, and deaths, easing strain on US systems.

Maternal RSV vaccination and nirsevimab were linked to lower infection rates and reduced severity in infants younger than 6 months.

MMR coverage remained below herd immunity 20 months after an Ohio outbreak, with minimal gains and persistent disparities in children.

Get caught up with Contemporary Pediatrics. This list helps you navigate our top stories from the week, all in one place.

A study found that hepatitis B virus birth dose vaccination rates fell from 83.5% in early 2023 to 73.2% by August 2025.

A study found that a nirsevimab immunization program reduced RSV-related hospitalizations by 85.9% in the first season and 55.3% in the second.

A study found that nonmedical childhood vaccine exemptions have increased significantly across US counties since 2010.

The AAP released its 2026 childhood immunization schedule, maintaining evidence-based vaccine recommendations and expanding guidance across routine, catch-up, and risk-based care.

Get caught up with Contemporary Pediatrics! This list helps you navigate our top stories from the week, all in one place.

Maternal influenza and TDaP vaccination during pregnancy was associated with fewer influenza- and pertussis-related hospital and ED visits in infants younger than 6 months.

ACIP recommends use of GSK’s pentavalent MenACWY-CRM/MenB-4C vaccine when MenACWY and MenB are indicated at the same visit.

Reactions from the pediatric health care community poured in following swift changes to the US childhood vaccine schedule by the CDC.

Effective immediately, the updated US childhood vaccine schedule will reduce the number of recommended vaccines for all children to 11 diseases, down from 18.

Those with regular access to care who did not receive, or were late on 2- and 4-month recommended vaccines, were more likely to not have any MMR vaccine by 2 years of age.

National EHR data show vitamin K nonreceipt among newborns nearly doubled from 2017 to 2024, raising concern for preventable bleeding risk.

“We started out 2025 with an environment that was rife with myths and disinformation," said Robert H. Hopkins, Jr., MD, in this year-end recap of 2025 and the pediatric vaccine landscape.

Donna Hallas, PhD, PPCNP-BC, CPNP, PMHS, FAANP, FAAN, shares her thoughts on the recently updated ACIP recommendation on the hepatitis B vaccine.

According to multiple reports, the FDA is investigating the safety of a pair of already-approved protective treatments for respiratory syncytial virus.

“We took a different approach by looking at colonizing bacteria, and we found vaccination reduced antimicrobial resistance through a completely different mechanism," said Brooke Ramay, lead author of the study.

A comprehensive Pediatrics review reports no credible evidence linking aluminum-adjuvanted vaccines with autism, neurotoxicity, allergy, or autoimmune disease.

State repeals of nonmedical vaccine exemptions were linked to higher kindergarten vaccination rates, with minimal substitution toward medical exemptions.