Wondering how effective your Moderna or Pfizer COVID-19 vaccine really is? The Centers for Disease Control and Prevention (CDC) has an answer.

The US Food and Drug Administration (FDA) has approved a third COVID-19 vaccine. And this one only requires one dose.

Health officials and pharmaceutical companies are planning to roll out the COVID-19 vaccine in the coming months. Here's what you need to know.

An effective COVID-19 vaccine may be one of the key ways to end the coronavirus pandemic. That's why health officials are continuing to push forward on a possible vaccine.

A rare, mysterious syndrome appears to be affecting some children in New York. And health officials are saying it may be linked to COVID-19.

Across the United States, flu activity is high. And it's expected to continue for weeks.

Teens and young adults face an increased risk for meningococcal disease. Here's everything you need to know about meningococcal disease.

Health experts have said that measles was eliminated in the United States. But that may no longer be the case.

Immunizations aren't just for kids. Adults need vaccinations, too. Staying up to date on your vaccinations is one of the easiest ways to prevent disease.

With 349 confirmed cases across the United States as of 2018, measles appears to be on the rise.