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.

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.

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 …

H5N1 bird flu was confirmed in a pig on a backyard farm in Oregon, the first detection of the virus in swine in the country, the U.S. Department of Agriculture said on Wednesday.

As of Friday afternoon, there are 13 confirmed human cases of the Bird flu in the state and hundreds of infected cows.

The California Department of Public Health reported the state’s fourth case of a person contracting bird flu Thursday afternoon.

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.

COVID-19 patients who experienced loss of smell showed long-term brain changes, including structural thinning, decreased white matter integrity, and altered decision-making behavior, suggesting potential neurological consequences even after recovery.

Doctors and scientists are keeping an eye on yet another coronavirus subvariant — XEC — that could surpass the latest hyperinfectious strain.

Public health experts warn ‘overinflated view of abilities’ and restrictive laws could make next outbreak more lethal

Research found signs of ancient viruses in Neanderthal DNA that they may have gotten from ancient humans and could have contributed to their extinction.

Oropouche fever, also known as 'sloth fever', is a viral disease that is transmitted to humans through midge or mosquito bites

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Monkeypox, typically rare, is spreading around the world. Here’s a quick look at everything you need to know about this viral disease.

Researchers say that a flu-like illness caused by fumes from burning nonstick pans hit its highest levels in decades in 2023. Long term effects of the inhaling these chemicals are unknown.

The wastewater viral activity level for COVID-19 is high and very high in 26 states right now, according to the CDC, with more than 70% of illnesses stemming from a highly contagious COVID strain known as the flirt variant. Andrew Pekosz is the professor and vice chair of molecular microbiology and immunology at the Johns Hopkins Bloomberg School of Public Health. He joined CBS News to talk about the spike in cases.

The Centers for Disease Control and Prevention guidelines for COVID-19 still call for a period of isolation for those dealing with the virus. This comes after a summer COVID wave appears to have grown in some parts of the country. CBS News medical contributor Dr. Céline Gounder has more on the current protocols in place.

Coronavirus levels in California’s wastewater have reached a “very high” level for the first time since last winter, with two new COVID variants, FLiRT, responsible for more than …