New data from the U.S. Centers for Disease Control and Prevention (CDC) shows that over half of U.S. states have either "high ...

The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.

Outbreaks of the stomach flu are spreading across the U.S and are far higher than average for December over the past 12 years ...

With Christmas just days away, 20 U.S. states have high or very high levels of COVID-19 in their wastewater, according to the ...

The CDC has revealed the red flags it is monitoring for that suggest that bird flu was about to become the world's next pandemic.

Whooping cough cases are nearly five times higher than cases reported in 2023, with the CDC urging people to get vaccinated.

Noroviruses, also known as food poisoning or the stomach bug, are “ common and highly contagious ,” according to the National ...

CDC data indicates that December's increase in outbreaks has outpaced records for the same period since at least 2012. A graph by Newsweek using CDC data shows how the outbreak is outstripping ...

The CDC in a webpage about wastewater testing: "Wastewater (sewage) can be tested to detect traces of infectious diseases circulating in a community, even if people don't have symptoms.

Newsweek has created a map showing states where respiratory syncytial virus (RSV) cases are surging.