Advanced age and some health conditions can raise the risk of serious illness from COVID-19.

The widespread muscle pain experienced by COVID-19 patients has become one of the most misunderstood aspects of the virus, affecting far more people than initially recognized. Medical observations ...

Doctors now recognize an unexpected symptom as a prevalent long COVID symptom, affecting up to 60%. Potential causes include brain inflammation, autonomic dysfunction and hypothalamic effects.

Some 23% of people infected with SARS-CoV-2 between 2021 and 2023 developed long COVID, and in more than half of them the symptoms persisted for two years. These are the main conclusions of a study ...

A new COVID-19 variant called NB.1.8.1 could account for up to one-third of cases, according to health officials. One hallmark of this latest strain is a symptom some people are calling "razor blade ...

Breaking out the tissues? It's that time of year! But what kind of sickness do your symptoms point to? As the weather changes, we can start feeling under the weather too — but while each illness has a ...

TOKYO -- A research team led by the Tokyo Jikei University School of Medicine announced that it has identified part of the ...