Vaccines

Moderna’s mRNA flu vaccine receives FDA approval after phase 3 data showed improved efficacy compared with standard flu vaccines.

People with HIV born after 1980 had an 81% lower risk of hepatitis B coinfection than earlier cohorts, highlighting the lasting impact of childhood vaccination.

HIV disrupts several steps required for durable antibody production; for example, CD4+ helper T cells are depleted and functionally impaired.

KFF poll links social media use and not having a trusted doctor to vaccine myth beliefs, fueling COVID-19 and measles risk.

Female newborns were more likely than males to miss vitamin K prophylaxis and hepatitis B birth doses, highlighting sex-based gaps in preventive care.

Vaccine news shaping the 2026-2027 immunization season includes major acquisitions, a key FDA panel vote, and new data on influenza vaccine effectiveness.

The US is close to eliminating hepatitis B in children, but chronic adult infection and a shifting vaccine policy threaten that progress.

A new study finds 2024-2025 COVID-19 vaccines reduced hospitalization and critical illness risk among adults, although protection waned over time.

Children aged 2 to 5 years with fall birthdays had higher flu vaccination rates and fewer diagnoses than those with summer birthdays.

Two posters presented at the EASL Congress 2026 highlight promising clinical and preclinical findings for AHB-137.

Five vaccines in development for HIV, tuberculosis, cancer, influenza, and coronaviruses could transform global health.

ACIP changes threaten vaccine coverage and raise costs, according to a roundtable of experts warning of widening disparities and long-term public health risks.

Factual tone, credible sources, and clinician representation increase trust and engagement, while humor may undermine vaccine messaging effectiveness.

A federal court blocked RFK Jr's vaccine agenda, freezing the ACIP shakeup and safeguarding child vaccine access as the legal fight over vaccines intensifies.

The politicization of public health is eroding vaccine confidence, risking lower uptake and potential disease outbreaks, says Noel T. Brewer, PhD.

Noel T. Brewer, PhD, former ACIP member, warns that the CDC's reduction from 17 to 11 recommended immunizations lacks transparency, which may lower uptake.

The FDA will now review Moderna’s seasonal mRNA influenza vaccine application, setting a mid-2026 decision date.

AAP’s 2026 immunization schedule continues protection against 18 diseases as the CDC reduces its recommendations to 11.

Experts raise concerns that CDC childhood immunization changes could reduce vaccine uptake and weaken trust in public health guidance.

With the CDC’s decision to roll back recommendations to vaccinate for several conditions, questions have arisen as to what that may mean in the US.

Almost half of the monthly-updated CDC databases had unexplained pauses in 2025, mostly affecting vaccination data, raising transparency and public health concerns.

The CDC reveals current vaccination trends for COVID-19, flu, and RSV during the 2025-2026 respiratory virus season, highlighting public adoption rates.

President Donald J. Trump's health care overhaul during the first year of his second term reshapes Medicaid, vaccine policies, and drug pricing.

As the CDC shifts childhood vaccines to shared decision-making, new surveys show many Americans misunderstand what the policy means—and who it involves.

The CDC announced a significant change to the childhood immunization schedule that would reduce vaccine recommendations.