They can cause all sorts of unpleasant symptoms. Certain symptoms, like a sore throat or fatigue, are hallmarks of all three.

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 ...

Flu, COVID-19, the common cold and RSV have similarities, but they differ in their severity, contagiousness and symptoms. Vaccines are available for COVID-19, the flu and RSV. However, there is no ...

Is that cough and lingering headache a sign of a common cold, the flu, or worse — COVID-19? The seasonal winter holidays bring a spike in cold, flu and COVID-19 symptoms and case according to Johns ...

The CDC reports a highly mutated Cicada COVID variant BA 3.2 has been detected in at least 25 states including New Jersey in what could result in a summer surge of new COVID-19 cases, colliding with ...

A common cold symptom could also be a sign of long Covid. Most individuals recover from coronavirus within a few weeks of the symptoms first appearing. However, NHS guidance cautions that some people ...

A medical expert has sounded the alarm about a particular symptom that she says is "unique" to Covid. If you develop this symptom, it's therefore more probable you're dealing with Covid rather than ...