Haemophilus influenzae type b (Hib) fact sheet Hib disease Hib (Haemophilus influenzae type b) vaccine Hib (Haemophilus influenzae type b) Hib Hib http://www.cdc.gov/vaccines/parents/diseases/child/hib.html Haemophilus influenzae type b (Hib) www.cdc.gov Hib (Haemophilus influenzae type b) Hib Hib (Haemophilus influenzae type b) Hib Hib (Haemophilus influenzae type b) vaccine Haemophilus influenzae type b (Hib) Hib Haemophilus influenzae type b (Hib)