Age, sex, genetics, previous illnesses, and underlying health conditions have all been linked to differences in vaccine response. Conditions that compromise the immune system often raise the risk of a ...

Scientists at Arizona State University used a new technique to analyze antibodies in 4,000 people.

Patients with advanced lung or skin cancer who received a COVID-19 mRNA vaccine within 100 days of starting immunotherapy drugs lived significantly longer than those who did not get the vaccine, ...

Learn what to know about the 2026-2027 COVID vaccine, including XFG targeting, who is eligible, possible side effects, and ...

Pulmonary expert Noah Greenspan, DPT, discusses long COVID, early pandemic uncertainty, and how vaccination may help reduce infection risk and severity. “It was a shock,” Greenspan said. Not only for ...

Find out about the COVID-19 vaccines, the benefits of COVID-19 vaccination and the possible side effects.

Redness and pain at the injection site, fever, fatigue or headaches: Vaccines can cause side effects, but their frequency and ...

Both the COVID-19 and the flu vaccines are safe and effective, but should you get them at the same time – or separately?

What to know about flu and COVID-19 vaccines in 2026 in preparation for the upcoming flu season.