Mounting evidence points to a link between new-onset allergies and Long COVID, with mast cell activation syndrome as a ...

Flu, viral fever, and COVID-19 all cause fever and respiratory symptoms, but key differences in onset, symptom patterns, duration, and testing guide diagnosis and treatment.

Understanding the main differences in their onset, fever severity, and specific symptoms is essential for accurate diagnosis.

(NEXSTAR) – It’s that time of year again. The coughing, sneezing and sniffling is all around us, as both influenza and COVID-19 start to spread. When you start to feel sick, it can be hard to tell ...

Increased pTau-181 levels are seen in association with neurological manifestations of post-acute sequelae of SARS-CoV-2 consistent with central damage.