Diphtheria is a highly contagious infection that suffocates its victims by forming a thick grey coat over the throat and ...

Diphtheria is a highly contagious infection that suffocates its victims by forming a thick grey coat over the throat and ...

According to the NHS, symptoms usually start two to five days after becoming infected.

The U.S. is having the worst measles outbreak in decades. Here’s what experts recommend you do to avoid getting sick.