Both the flu and the common cold are caused by viruses and are contagious. However, the common cold can result from many viruses, including rhinoviruses and seasonal coronaviruses, while the flu ...

(Cleveland Clinic) - With so many viruses going around right now, like cold, flu, COVID and RSV, it can be hard to know which one you have and how to treat it. “That’s why it’s really ...

But there are other respiratory viruses circulating as well. Along with flu, winter months are highs for the common cold, RSV and COVID-19. Here's what to know about flu symptoms in 2025 ...

Muscle aches and tiredness – more common for COVID-19 and flu – don't happen with a cold. RSV, or respiratory syncytial virus, usually causes mild symptoms akin to cold that go away on their own.