Flu season is here with some other ickiness joining the petri dish party, including allergies, strep, pneumonia, COVID-19 and norovirus.

A study suggests that catching COVID-19 significantly raises the risk of developing ME/CFS (formerly called "chronic fatigue syndrome"), a typically lifelong condition that can be debilitating.

Do you foresee a pandemic outbreak like COVID-19? There’s no comparison ... resembling other causes of the common cold or sore throat (pharyngitis). The infection is self-limiting, and the ...

As COVID-19 began to surge five years ago, no one knew what to expect. Neither did the immune system. Confronted with a new virus, humanity was immunologically naive. The emergence of SARS-CoV-2 ...