Objective.—To assess the effect of priming with diphtheria and tetanus toxoid vaccine (DT)
at 1 month of age on the anticapsular polyribosylribitol phosphate (PRP) antibody responses …

Objective.—To evaluate maternal responses toHaemophilus influenzaetype b (Hib)
polysaccharide—tetanus protein conjugate vaccine (polyribosylribitol phosphate—tetanus …

A vaccine consisting of the polysaccharide (PS) capsule of Haemophilus influenzae type b
(Rib) has recently been licensed in the United States. This vaccine is safe and effective in …

Haemophilus influenzae type b (Hib) is one of the leading causes of invasive bacterial
infection in young children worldwide. During childhood, acquisition of antibody directed …

We studied 55 cases of invasive Hemophilus influenzae type b disease occurring in children
at least three weeks after vaccination with type b polysaccharide vaccine. Their mean age at …

Haemophilus influenzae type b (Hib) conjugate vaccines are extremely effective in
protecting infants and children from invasive Hib infections; however, vaccine failures do …

Haemophilus influenzaetype b (HIB) disease was observed during a 14-month period in
seven of 48 infants attending a day-care center. Surveillance studies showed that 28 (58%) …

The concentration of serum antibody to the Haemophilus influenzae type b polysaccharide
sufficient to confer protection against Hib disease has been estimated to range from 0.15 to …

The effect of Haemophilus influenzae type b (Hib) meningococcal protein conjugale vaccine
(Hib-OMPC; Merck, Sharp & Dohme) on oropharyngeal (OP) carriage of Hib was evaluated …