Vaccination

A measles outbreak in Texas has climbed to nearly 60 cases in 3 weeks, with most cases occurring among unvaccinated children, according to state health officials.

The FDA approved GSK’s pentavalent meningococcal vaccine to protect children and young adults aged 10 to 25 years against five meningococcal serogroups, the company announced.

The NIH announced that it is launching a phase 2 human challenge trial of AV-1, an investigational monoclonal antibody to ease dengue virus symptoms when given before and after infection.

CDC data show that seasonal influenza activity is significantly elevated across the United States, and that influenza activity is at its highest level in more than 15 years.

In 5 years, COVID-19 has impacted nearly every aspect of life. Although tens of thousands of cases continue to occur each week, the world’s top public health agencies have considered the pandemic phase of COVID-19 to be over for years.

The vast majority of people in a study with long COVID had experienced multiple SARS-CoV-2 infections over the course of a 4-year period, researchers reported.

Parents vaccinated against COVID-19 were almost twice as likely to vaccinate their child against measles, mumps and rubella compared with unvaccinated parents, according to a study published in American Journal of Public Health.

Kindergarten vaccine coverage has been on a steady decline since the 2019-2020 school year, and fewer parents felt it was important for their teens to receive all recommended vaccines in 2023 compared with 2021.

Nearly 80% of infants born in a California health system were exposed to nirsevimab or the maternal respiratory syncytial virus vaccine in 2023-2024, the first season in which they were available, according to study findings.