Scientists working to develop a vaccine for the human immunodeficiency virus report they have created the first antigen that induces protective antibodies capable of blocking infection of human cells by genetically-diverse strains of HIV. The new antigen differs from previously-tested vaccines by virtue of its chemically-activated property that enables close sharing of electrons and produces strong covalent bonding. Researchers used a mouse model to generate the antibodies.

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New Chemically-activated Antigen Could Expedite Development Of HIV Vaccine

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