A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to ...

Common cold and sinus infections share similar symptoms. Knowing the difference is important. Colds usually resolve within 10 ...

Discover why constantly feeling cold could signal serious health conditions like anemia, thyroid dysfunction, or circulation ...

In addition to workers, heatstroke is especially common among the elderly, very young children, including babies, and in ...

A new COVID variant called "Nimbus" is spreading. Here's what you need to know about the incubation period, symptoms ...

A blocked nose may just be something innocuous, but some doctors claim it could also be a sign of some underlying health ...

Healthy volunteers were given either ISLA-101 or a placebo, then deliberately exposed to a weakened strain of dengue virus.

Don't let sickness ruin your fun. Learn to spot the signs of 7 common summer illnesses, from heatstroke to Lyme disease, and ...

Ezzy Pearson, 37, was beginning her first year at university when she developed what she assumed was a cold - but it was ...

Experts say informed action can be the difference between a simple, itchy nuisance and a major medical emergency ...

We’ve all got that one extra-sniffly co-worker who insists their sneezing fits and morning lethargy are nothing more than ‘allergies’. But with cold and flu cases rising exponentially in recent weeks, ...

If symptoms begin very early, scheduling the test for around day 3–5 of symptom onset is often optimal; if still negative in the presence of high clinical suspicion, repeat testing should be ...