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 ...

(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 ...

The onset of cold and flu season includes the beginning of COVID season, and that means the introduction of new variations. According to the Centers for Disease Control, new variants of SARS-Co-2 ...

Distinct symptom patterns emerged across the three-year follow-up period. Long COVID was most strongly associated with depressive symptoms emerging at the latter follow-up (adjusted risk ratio [aRRR], ...