June 26, 2025 – The new COVID-19 variant that now makes up about a third of U.S. COVID cases has a signature symptom: a painful sore throat that feels like "razor blades." "This 'razor blade sore ...

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 ...

What Is a COVID Headache? A COVID headache is a headache that you get as a symptom of COVID-19, or the coronavirus. It’s a common symptom, and about half of people with COVID-19 have a COVID headache.

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 ...

Pain may be the most prevalent and severe symptom reported by individuals with long COVID, according to a new study led by UCL researchers. The study, published in JRSM Open, analyzed data from more ...

A possible first case of COVID recurrence after ensitrelvir: a vaccinated woman whose antigen levels fall and then rebound, with symptoms returning 1 day after treatment.

COVID rebound is when COVID-19 symptoms return soon after they go away or a person registers a positive COVID-19 test result after testing negative for several days. COVID rebound can happen in people ...