How old was NAME when the first POLIO dose was given?
Categories
Value
Category
1
less than six weeks
2
six weeks or more
8
DK
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
Interviewer instructions
asks age at which first Polio vaccine was administered. This may be Polio at Birth or Polio 1.