The CDC’s COVID-19 vaccine provider agreement prohibits health care professionals from administering the vaccines in people for whom they are not yet authorized or approved. But this departs from longstanding norms.

Chickenpox has largely disappeared from the public’s memory thanks to a highly effective vaccine. But the virus’s clever life cycle allows it to reappear in later adulthood in the form of shingles.

A new decision-support tool helped preserve the health care workforce by distinguishing symptoms associated with COVID-19 vaccinations from symptoms of the virus itself.

Machine learning algorithms can help public health officials identify areas of high vaccine hesitancy by ZIP code to better target messaging and outreach and counter misinformation.

Some viruses go extinct, while others stick around. The virus that causes COVID-19 seems likely to remain with us for the long term.

Pediatric infectious disease specialist Kristin Moffitt offers parents insight on recently approved COVID-19 vaccines for children ages 5 to 11.

First CDC signed off on a COVID-19 vaccine for adults, then teens. Now US children ages 5 to 11 are officially eligible for shots. Here’s the science on why each group needs to be considered separately.

Vaccination campaigns like the ones that eventually eliminated polio and measles in the United States required decades of education and awareness in order to achieve herd immunity in the U.S. population.

Not knowing how many posts people see on social media overall or where specific types of content get concentrated is keeping researchers in the dark about misinformation.

Pediatric clinical trials for the COVID-19 Pfizer vaccine for children ages 5 to 11 have shown that the Pfizer shot is safe and effective.