Vaccine hesitancy was rising even before COVID-19 emerged – but the pandemic exacerbated the trend. More kindergartners are ...

Vaccination rates remain high, but just below a critical "community immunity" threshold of 95%. Measles vaccination rates ...

We will never totally eliminate hostility to vaccines among our increasingly restive, populist public, but with persuasive messages, we can cut outbreaks and save kids’ lives, writes guest columnist ...

Do you remember the COVID snitch lines, to rat out your neighbor who wasn’t worried because he could… read charts, and ...

RFK Jr. has claimed measles can be treated with vitamin A and that severe infection is linked to poor diet. But many experts who spoke with ABC News disagreed.

Texas is experiencing its largest measles outbreak in 30 years. WNIJ’s Peter Medlin spoke with a religious studies professor ...

Data on the number of cases for these diseases from the pre-vaccine era is hard to come by, and even the case counts are extremely unreliable. Many estimates suggest that perhaps only 10 percent of ...

The cutting-edge technology used in COVID-19 shots may lead to new treatments for other diseases. But some conservatives are ...

Measles is one of the most contagious viruses in the world, and can live on surfaces or suspended in the air for two hours.

There sat Robert F. Kennedy Jr., the nation's top health official, at a Steak 'n Shake with Fox News host Sean Hannity, ...

Huseyin Zeyd Koytak and his colleagues analyzed 50 million vaccine-related social media posts to find root causes. They found ...

As the world marks the fifth anniversary of the start of the coronavirus pandemic, one question has persisted: How many lives ...