2a. Since the first of (month) 1978 has -- received a polio shot or polio vaccine by mouth?

d. Where did -- receive the polio (vaccine/shot) - at a clinic, hospital, school, doctor's office, or some other place? If clinic: was it a hospital outpatient clinic, a company clinic, a public health clinic or some other kind of clinic? 1. Doctor's office (group practice or doctor's clinic). 2. Hospital outpatient clinic or emergency room. 3. Public health clinic. 4. School. 8. Other-specify