Pandemics

The CDC reported 91 norovirus outbreaks the week of Dec. 5, 2024, up from 69 the previous week.

The U.S. Centers for Disease Control and Prevention said on Thursday its analysis of samples from the first severe case of bird flu in the country last week showed mutations not seen in samples from an infected backyard flock on the patient's property.

There have been over 32,000 cases of whooping cough this year, CDC data shows—the highest toll seen in a decade.

If you come across brightly colored, cloth-bound books from the Victorian era, you might want to handle them gently, or even steer clear altogether. Some of their attractive hues come from dyes that could pose a health risk to readers, collectors or librarians.

Recent research indicates that mRNA Covid-19 vaccines may not generate long-lasting immune protection.

A new study indicates what researchers describe as an ongoing "stubborn mistrust" in science among the American public as it relates to COVID-19 vaccines.

Global efforts to contain the spread of tuberculosis are floundering

As we approach a new presidential administration and a new Congress, we cannot regard COVID-19 as one of several respiratory diseases that can be dealt with through a vaccination program and other …

The agency endorsed additional doses for people at high risk.

More children are being diagnosed with walking pneumonia this season, doctors told 5 On Your Side.

A new study published this week found severe COVID-19 infections from the first wave of the pandemic could double the risk of heart attack and stroke.

America is experiencing its worst whooping cough outbreak in a decade. Experts say there's a cyclical nature to outbreaks like this but that the timing was altered by the COVID-19 pandemic.

The patient from Missouri has recovered, but health officials are still investigating how they became infected.

As the summer of 2024 draws to a close, the United States finds itself once again grappling with a surge in COVID-19 infections.

Health professionals must encourage vaccination and fight misinformation

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Routine childhood vaccinations will have prevented hundreds of millions of illnesses, tens of millions of hospitalizations and more than 1 million deaths among people born between 1994 and 2023, according to the US Centers for Disease Control and Prevention.