The mnemonic
DT
What each word stands for
- DDiphtheria toxoid
- TTetanus toxoid
Why it matters clinically
Toxoid vaccines protect against the toxin rather than the organism.
Where it stops being reliable
Pertussis is a separate component of DPT (killed whole-cell in India), not part of this pair.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.