Haemophilus Vaccines

Formula : Unspecified

Vaccines or candidate vaccines containing antigenic polysaccharides from Haemophilus influenzae and designed to prevent infection. The vaccine can contain the polysaccharides alone or more frequently polysaccharides conjugated to carrier molecules. It is also seen as a combined vaccine with diphtheria-tetanus-pertussis vaccine.

Hafnium

Formula : Hf
CAS : 7440-58-6 

A metal element of atomic number 72 and atomic weight 178.49, symbol Hf.