"As these viruses continue to evolve, public health officials watch carefully to see whether new strains will be more easily spread or cause more severe disease, and they are continuously testing to ...

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 ...

Six years after the start of the COVID-19 pandemic, the virus still exists. A public health expert explains what Long COVID ...

A large new study may help form some answers to those questions. In line with prior estimates, it finds that almost a quarter ...

With measles outbreaks, flu spikes, and COVID as a seasonal threat, learn key differences between these contagious diseases, ...

A sore throat that feels like swallowing glass—a.k.a. “razor-blade throat”—has become one of the most talked-about of the new COVID symptoms linked to Stratus, the strain of the virus driving new ...

In fall 2025, rumors spread that the strain of the virus in circulation that causes COVID-19 had "very different signs" compared to other strains of the virus. Referring to it as "COVID-25," people ...

New research reveals that even mild respiratory infections can leave lasting biological changes. However, COVID-19 stands ...

Chronic fatigue or joint pain? It could be autoimmune. Learn how to get tested and what new biologic drugs could mean for treatment.

On Jan. 1, Kate Harmon Siberine marked four years living with long COVID. “I really wish I could tell you that things were ...

First-of-its-kind Ohio State study identifies the drivers behind COVID-19 sensory issues COLUMBUS, OH, UNITED STATES, ...