Overfishing, disease and environmental crimes cause social and political instability, economic strife and strained international relations.

More than a century ago, the US learned what happens when there is no national response to a major health crisis.

A new study finds the risks of developing long COVID declined over the first two years of the pandemic. But unvaccinated adults were more than twice as likely to get long COVID compared with those who were vaccinated.

Detecting infectious agents in sewage is only the first step. Researchers are working on developing reliable ways to translate surveillance measurements to case numbers and infection predictions.

Research shows that rapid antigen tests are performing as well at detecting the most recent dominant variants as they did with the earliest strains in the COVID-19 pandemic.

Two new high-profile studies add to the increasingly worrisome picture of how even mild cases of COVID-19 can have detrimental effects on brain health.

Only time and data will tell whether the CDC-recommended reformulated shots can stand their ground against the ever-changing SARS-CoV-2 variants.

Researchers still don’t know how well BA.2.86 will evade immunity or whether it will cause more severe disease than its predecessors.

There’s pretty much no one left in the US who hasn’t been exposed to the coronavirus, whether by vaccination, infection or both.

There’s no one-size-fits-all approach for long COVID treatment, but exercise focusing on breathing and pacing yourself throughout the day often helps.