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 ...

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

Early on, experts were warning that coronavirus was something we would have to live with for a long time. Lockdowns, face masks and contact tracing might seem like a distant memory, but is Covid-19 ...

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

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 ...