| response to conjugate haemophilus influenzae b vaccine among infants in niamey, niger. | despite near elimination of haemophilus influenzae b (hib) meningitis from several industrialized countries following introduction of conjugate hib vaccines into infant immunization schedules, hib remains a major cause of meningitis and pneumonia in resource-poor countries. in niger, hib causes nearly 200 cases of meningitis per 100,000 children < one year of age, and > 40% of cases are fatal. we evaluated the immunogenicity of hib polysaccharide-tetanus toxoid conjugate vaccine (prp-t) administ ... | 1998 | 9840608 |