Both ways of inducing active immunity (vaccines and direct environmental exposure to an antigen) will ultimately result in the production of antibodies. which of the five classes of antibodies is the first to be secreted during the primary response after the initial exposure to the antigen?

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Fiona Carrillo

11 October, 01:15

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Scout · Answer 1

More than likely IgM.

(Then followed by IgA and IgE antibodies)