vaccination coverage estimates by epi cluster sampling survey of children (18-24 months) in flanders, belgium. | a random cluster sample according to the epi cluster sampling technique was conducted in 1999 in flanders (north belgium) to ascertain the vaccination coverage of 18 to 24-mo-old children. polio is the only mandatory vaccine. diphtheria-tetanus-pertussis (dtp), haemophilus influenzae type b (hib), hepatitis b (hb) and measles-mumps-rubella (mmr) are included in the recommended schedule of vaccinations. for hib and hb, a minimal cost was charged. professional interviewers conducted interviews wit ... | 2002 | 12113332 |