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Broadly neutralizing antibody in immunized dams and pups. a Experimental design. (b and c) Adult female mice were immunized with inactivated EV-A71 viral preparation and subsequently examined for serum neutralizing antibody titers as described in section of the Methods. The sera were collected from 3 dams and their pups (8 to 10 mice per group, mixed) after delivery as described in section of the Methods
