is_manufactured_by has role immunizes against disease immunizes against pathogen haemophilus meningitis tetanus diphtheria Clostridium tetani Corynebacterium diphtheriae conjugate vaccine role Haemophilus influenzae serotype b Trihibit vaccine vaccine A vaccine for Diphtheria, haemophilus influenzae, pertussis, and tetanus diseases. Discontinued in 2011 Trihibit https://www.drugs.com/mtm/trihibit.html Diphtheria-Tetanus-Acellular Pertussis-Haemophilus b vaccine Sanofi Pasteur, Inc