A serious infection of the nose and throat that can be easily prevented by a vaccine
Diphtheria is a bacterial infection that can cause severe complications, such as difficulty breathing and swallowing. It may also attack the heart, kidneys, and nervous system.
The DTaP and Tdap Vaccines remain the best protection against diphtheria. Stay protected. Stay informed.

Here is a video that goes into more detail about Diphtheria.