What type of immunity is provided by intravenous (IV)administration of immunoglobulin G?

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Intravenous administration of immunoglobulin G provides the patient with passive immunity.Immunoglobulin G does not provide cell-mediated,humoral,or active immunity.Cellular (cell-mediated)immune response acts directly to destroy pathogens without using antibodies.The humoral immune response (or antibody-mediated response)protects the body by circulating antibodies to fight against pathogens (e.g.,bacteria).Passive immunity occurs when antibodies are transferred by antibodies from an immune host,such as from a placenta to a fetus.Passive immunity is short lived.Active immunity is longer lived and comes from the host itself.Humoral immunity occurs by secreted antibodies binding to antigens.Cell-mediated immunity does not involve antibodies but instead fights infection from macrophages that kills pathogens.

What Type of Immunity Is Provided by Intravenous (IV)administration of Immunoglobulin