Vaccines

In the wake of the 2025 measles outbreak and lingering vaccine hesitancy, here are 5 things to know about the safety, efficacy, myths, and more related to childhood vaccinations.

Public health official warns the expanding measles outbreak could last a year.

Vaccine hesitancy and higher rates of school vaccine exemptions increases the risk of outbreaks of preventable diseases, creating a significant health risk for vulnerable populations.

High vaccine uptake shows promise for the prevention of respiratory syncytial virus (RSV) in infants.

Vaccine hesitancy grew more prominently in the wake of COVID-19 and the spread of misinformation. This flu season, seeking out reliable sources of health information will help individuals make the best decisions to protect themselves.

The World Health Organization has declared the second mpox global emergency in 2 years. Here are 5 things to know about mpox and the current outbreak.

A study from the American Society of Hematology (ASH) Research Network reports positive antibody response and tolerability after mRNA vaccination in people with sickle cell disease.

Over the course of the pandemic, the risk of developing long COVID after a COVID-19 infection decreased, largely due to vaccination.

Health care workers who received SARS-CoV-2 vaccinations were found to be protected against declines in respiratory parameters after overcoming COVID-19, highlighting the importance of COVID-19 vaccines for health care workers.

An analysis study reveals electronic nudges designed to boost influenza vaccination were more effective in older adults without diabetes, highlighting the need for tailored approaches in diabetes populations.

The most-viewed vaccine content for this year encompassed cost, efficacy, and skepticism surrounding vaccination, particularly targeting COVID-19.

Maternal vaccination during pregnancy may provide important protection before infants are eligible to receive a vaccine, a study suggests.

The rate of invasive pneumococcal disease in children plummeted by 72% from 2002 to 2021; health care spending in the United States rose 4.1% in 2022 to $4.5 trillion; roughly two-thirds of Americans who have a mental health condition were unable to access treatment in 2021 despite having health insurance.

Growing misinformation around COVID-19 vaccines may have resulted in changes in parents’ trust in vaccines.

Overall, the study authors concluded that the immunogenicity of quadrivalent influenza vaccines (QIV) and trivalent inactivated influenza vaccines (TIV) was similar for common influenza ingredients for children ages 6 to 35 months.

A meta-analysis highlights the potential of influenza vaccination as an adjunctive strategy in reducing cardiovascular disease.

More than 77,000 additional doses of nirsevimab-alip will be distributed for respiratory syndactyl virus (RSV) immunization in infants.

A recent study sheds light on issues surrounding the system's functionality, transparency, and responsiveness.

Researchers provide progression-free survival outcomes for a pancreatic cancer vaccine and safety and efficacy results for a peptide vaccine alone or in combination with pembrolizumab.

Natural infection plus COVID-19 vaccination in pregnant mothers conferred more durable antibody responses in infants than natural infection alone.

The new vaccine program will protect against influenza and COVID-19.

The number of suicides among US military members and their families slightly decreased in 2022; Democratic lawmakers proposed legislation that would require employers to provide paid time off following a pregnancy loss; Pfizer and BioNTech’s flu–COVID-19 vaccine generated a strong immune response against strains of the viruses in an early- to mid-stage trial.

Nirsevimab, a monoclonal antibody used to protect infants from respiratory syncytial virus (RSV), is in limited supply, according to a CDC announcement.

Researchers evaluated the risk of hospitalization for severe flare-ups after vaccination in patients with multiple sclerosis (MS).

During a podcast hosted by Permanente Medicine, Sandra Fryhofer, MD, chair-elect of the Board of Trustees for the American Medical Association and a liaison to the CDC’s Advisory Committee on Immunization Practices, discussed the importance of vaccines for the fall and winter seasons.

Patterns in COVID-19 vaccinations remain largely divided along political party lines, according to one report.

FDA is investigating fraudulent schemes trafficking counterfeit semaglutide (Ozempic); Moderna plans to begin a late-stage trial of its combined COVID-19 and flu vaccine later this year; CMS will begin restricting predictive software used by insurance companies next year.

Katalin Karikó, PhD, and Drew Weissman, MD, PhD, were cited "for their discoveries concerning nucleoside base modifications that enabled the development of effective mRNA vaccines against COVID-19."

This letter discusses COVID-19 vaccine hesitancy and health literacy.

COVID-19 vaccine hesitancy is not associated with health literacy. Personal perception of threat was associated with reduced vaccine hesitancy.