Capsular polysaccharide vaccine.
No adverse effects were reported after third trimester exposure in 50 pregnancies  .
BREAST FEEDING: Compatible.
1. Englund JA, Glezen WP, Turner C, Harvey J, Thompson C, Siber GR. Transplacental antibody transfer following maternal immunization with polysaccharide and conjugate Haemophilus influenzae type b vaccines. J Infect Dis 1995; 171: 99-105.
2. Centers for Disease Control & Prevention. General Recommendations on
Immunization: Recommendations of the Advisory Committee on Immunization
Practices (ACIP). MMWR 43 (No. RR-1): 20-21, 1994
Last Update: 11/30/2003