Researchers have potentially linked an antiviral protein produced by the body during infection as the cause of long Covid, according to a new study, and they’re optimistic the next step is making ...

A Stanford-led study probes why a very small number of people develop heart inflammation shortly after mRNA COVID-19 ...

ME/CFS and the closely related long COVID could be caused by damage to the brainstem, according to a new scientific theory.

As we move into 2024, the focus of the medical world has shifted from the immediate crisis of the COVID-19 pandemic to its lasting health repercussions. The emergence of "Long COVID," characterized by ...

A new study may have found what’s behind long COVID symptoms. Scientists say a portion of the immune system may stay activated after someone recovers from the virus. Research into what causes long ...

For a majority of people, the COVID vaccine doesn’t cause adverse health effects — but a small percentage experience chronic symptoms that can last for months or even years. Yale researchers recently ...

Results refute theories that pandemic numbers were inflated, highlight problems with the nation’s fragmented reporting of causes of death. An analysis of mortality statistics suggests the death count ...

As Connecticut endures a wave of a variety of flu strains, other influenza-like illness are also circulating and making ...

COVID tongue is not extremely common, but it can happen. It describes symptoms like glossitis (a red and swollen tongue) that ...

SAN DIEGO — A new COVID-19 variant spreading rapidly across the United States is causing excruciating throat pain that patients describe as feeling like swallowing razor blades or broken glass. The ...