The upper case letters in DTaP correspond with higher antigen quantity of the diphtheria and pertussis components, relative to Tdap and its lowercase letters. A larger amount of antigen is needed ...
What is Tetanus, Diphtheria and Pertussis? Tetanus is caused by a germ that enters the body through a cut or a wound. Tetanus (Lockjaw) causes painful tightening of the muscles all over the body and ...
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