As South Korea battled a spike in flu cases, misinformation swirled online that the country was suffering a resurgence of the ...

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

A US Centers for Disease Control and Prevention (CDC)-led study identifies three clusters of post-COVID multisystem ...

COVID-19 continues to be a major threat to health in the US, accounting for three out of five respiratory illnesses among ...

Having this knowledge from our model would help with readiness for detecting and preventing, as well as treating, emerging and future variants.” Quantum mechanical modeling allowed the team to develop ...

It can happen even after a mild case and at any age, although rates have declined since the pandemic’s early years. Studies show vaccination can lower the risk. It also is not clear what causes long ...

We can assume that cases of the mysterious lung disease that later became known as Covid-19 were spreading in China as early ...

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

Experts fear a resurgence of infections in low-income countries if the ban were to continue. The waiver remains in place, ...

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

Hospitalizations and general "syndromic" cases were at 10+ statewide for the week. The number of reported COVID cases ...

Pneumonia symptoms can vary based on the cause and severity of the lung infection. For some, it might feel similar to the flu or be barely noticeable. For others, pneumonia can cause severe ...