Waa tallaal loo isticmaalo in looga hortago infekshanka Haemophilus influenzae nooca b (Hib). Wadamada ay ku jiraan tallaalka caadiga ah, heerarka infekshannada daran ee Hib ayaa hoos u dhacay in ka badan 90%. Sidaa darteed waxay keentay hoos u dhac ku yimid heerka meningitis, oofwareenka, iyo epiglottitis. Waxaa lagula talinayaa labadaba Ururka Caafimaadka Adduunka iyo Xarumaha Xakamaynta iyo Ka Hortagga Cudurrada. Laba ama saddex qiyaasood waa in la siiyaa ka hor da'da lixda bilood.
Lix todobaad jir ah