A research team at Ruhr University Bochum, Germany, has identified a previously unknown cellular mechanism crucial to the replication of coronaviruses: c-Jun N-terminal kinase (JNK) is activated ...

Doctors across multiple countries are flagging a painful new COVID-19 symptom tied to a fast-spreading variant: a sore throat so severe that patients compare it to swallowing razor blades. The symptom ...

The discovery could serve as a starting point for antiviral strategies. A research team at Ruhr University Bochum, Germany, has identified a previously unknown cellular mechanism crucial to the ...

According to WHO, approximately 6% of the worldwide population who contract COVID-19—some 400 million people—go on to develop ...

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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 ...

New research finds metformin may not treat long COVID symptoms despite early promise. Learn what studies reveal about long COVID treatment and prevention.

For many people, COVID was not a short illness that faded with time. Months later, they still report fatigue, brain fog, chest discomfort, or gut trouble that never quite settles. This cluster of ...

COVID-19 is still killing more than 100,000 Americans a year, new Centers for Disease Control and Prevention (CDC) study shows—underscoring how the virus remains a major health threat even if the ...