COVID-19 viral activity was high in the United States during the first week of September, according to fresh data from the Centers for Disease Control and Prevention. Some regions of the United States ...

The timing of symptom onset depends on lots of factors, including the amount of virus to which someone was exposed, Hotez says. Their level of pre-existing immunity may also affect the likelihood or ...

"As these viruses continue to evolve, public health officials watch carefully to see whether new strains will be more easily ...

A new COVID-19 variant is climbing the ranks in the United States, becoming the third-most common strain of the summer. Variant XFG, colloquially known as "Stratus," was first detected in Southeast ...

Researchers are still trying to understand why some people develop Long COVID: lasting symptoms of the disease that can ...

Add Yahoo as a preferred source to see more of our stories on Google. "When COVID first appeared, we saw the lower respiratory tract manifestation, that is pneumonia. We don't see that anymore," Dr.

Do you have a sore throat, a runny nose and muscle aches? It could be a common cold, a case of the flu -- or COVID-19. The illnesses all share similar symptoms, sometimes making it hard to distinguish ...

The first known meta-analysis of how SARS-CoV-2 variant type and time since infection influence long-COVID symptoms ties Omicron to brain fog and paresthesia (numbness and tingling), while earlier ...

Noah Greenspan, DPT explains challenges diagnosing long COVID and strategies like pacing, compression, and electrolytes to support recovery. Long COVID has been an ongoing health concern in the United ...

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

Add Yahoo as a preferred source to see more of our stories on Google. What are the most common COVID-19 symptoms doctors are seeing in October 2025? Read on to find out what to look out for, how to ...