What Is the Incubation Period of the Flu—And When Are You Most Contagious?
You may be able to pass on the virus, even if you don't feel sick yet.
What Causes a Fever? Here’s What to Know—And When to See a Doctor
FYI: A fever is actually a good sign that your body's fighting off illness.
Cold Sweats: What to Know About Causes and Treatments, According to Experts
Plus, why you shouldn't ignore them if they happen often.
How Are the Spanish Flu and COVID-19 Alike? Here's What Doctors Say
Both caused global pandemics; here's how they compare in terms of symptoms, treatment, and death toll.
How Long Is a Cold Contagious? Here’s What Experts Say
Unfortunately, you may not be in the clear as soon as your nose stops running.
What Is a Low Grade Fever? We Asked Experts to Explain
Plus, what to do if you've had a low grade fever for a few days.