With a recent surge in influenza, COVID-19, norovirus, respiratory syncytial virus (RSV), and other respiratory viruses, it's ...

A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including ...

A study suggests that catching COVID-19 significantly raises the risk of developing ME/CFS (formerly called "chronic fatigue ...

Thousands of Oklahomans are sick with the flu. Symptoms of influenza include chills, fever, cough and body aches.

A new study from researchers across the country found that women, particularly those in middle age, have a higher risk of ...

Two-thirds of people with post-COVID-19 syndrome have persistent, objective symptoms—including reduced physical exercise ...

The finding suggests the agency believes the totality of evidence makes a lab origin more likely than a natural origin, but ...

Vaccination prior to COVID-19 infection does not significantly affect neurological symptoms in patients with postacute sequelae of SARS-CoV-2 infection.

In the midst of pandemic upheaval, researchers have gained fundamental insights about how the body fends off infections.

The Health Department of Northwest Michigan is reporting an increase in respiratory illnesses across Antrim, Charlevoix, ...

Health officials in Kansas said they are dealing with an "unprecedented" tuberculosis outbreak in the northeastern part of ...

A new study found that people who have had COVID-19 are more likely to develop chronic fatigue syndrome. A researcher and ...