bivalent vaccine
Medical term for a vaccine that targets two strains or serotypes of a pathogen.
Vaccination with bivalent vaccines is being promoted as a measure against the novel coronavirus.
Standard kanji spelling for 'bivalent vaccine' in medical contexts.
Variant using Arabic numeral 2; less common in formal medical writing than the kanji form.
Compound of 二価 (にか, 'bivalent') and ワクチン ('vaccine'). 二価 is a medical term meaning 'having a valence of two', from 二 ('two') and 価 ('valence').