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Polyvalent vaccines offer broad protection against multiple strains of pathogens.
These vaccines immunize against more than one strain of an antigen.
Polyvalent influenza vaccines, for instance, provide immunity against multiple types of influenza viruses, such as A(H1N1), A(Influenza A virus subtype H3N2 (H3N2)), and influenza B viruses
This also includes simultaneous or sequential vaccination with different tumor antigens (>2) such as the cancer/testis antigens
In aquaculture, polyvalent vaccines play a crucial role in protecting against infections caused by multiple pathogens.
These vaccines offer cross-protective ability against various bacteria strains, making them particularly beneficial in environments where multiple injections are impractical
Research has identified polyvalent vaccine candidates from outer membrane proteins of pathogenic bacteria, demonstrating their effectiveness in conferring protection against different pathogens