Vaccine designed to immunize against multiple antigens or microorganisms. When vaccine immunize against more than one antigen, we call them bivalent (two antigens), trivalent (three antigens), quadrivalent (four antigens) vaccine.
Vaccine designed to immunize against multiple antigens or microorganisms. When vaccine immunize against more than one antigen, we call them bivalent (two antigens), trivalent (three antigens), quadrivalent (four antigens) vaccine.