Diphtheria is a bacteria that causes a thick covering in the back of the throat, making it difficult to breathe. There are several combination vaccines used to prevent diphtheria: DTaP, Tdap, DT, and Td.

  • Diphtheria Basics
    General information about diphtheria, including symptoms, complications, treatment, and vaccination.

Updated Tuesday, 16-Nov-2010 12:22:05 CST