Articles on viral infection

Displaying all articles

What goes up must come down, and that includes the protection the flu vaccine offers against influenza. Irina Bg/Shutterstock

When’s the best time to get your flu shot?

Protection wanes after four or five months, so for most people, it makes sense to get a flu shot in mid to late May or early June so you're protected when the flu season peaks in August or September.
The thing all five viruses have in common is they can cause mild to very severe liver damage. wk1003mike/Shutterstock

Explainer: the A, B, C, D and E of hepatitis

Hepatitis A, B, C, D and E are very different viruses. Hepatitis A is genetically closer to the common cold than it is to hepatitis B. Hepatitis C is closer to the virus that causes dengue fever.
Children in particular experience a multitude of viral illnesses during their early years. MIKI Yoshihito/Flickr

Health Check: when are we most likely to catch viral diseases?

Viruses cause all kinds of infections from relatively mild cases of the flu to deadly outbreaks of Ebola. Clearly, not all viruses are equal and one of these differences is when you can infect others.

Top contributors

More