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Description
For sample children aged 7 to 17 months old who have ever had any immunization shot but do not have a shot record and who ever received a tetanus-diphtheria booster shot, IMNTDPNU reports the number of tetanus-diphtheria booster shots that the person has ever received.
Comparability
There are no comparability issues with this variable.
Universe
1997-2003: Sample children age 7-17 with no known shot record but who ever had tetanus-diphtheria (Td) shots.
