Literal question
Has (name) ever received a DPT vaccination – that is, an injection in the thigh or buttocks – to prevent him/her from getting tetanus, whooping cough, or diphtheria?
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Circle the code corresponding to the response. If the answer is 'Yes', continue to the next question. If 'No' or 'DK', skip to IM13. Probe by indicating that DPT vaccination is sometimes given at the same time as Polio