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Cross protection conferred by the Infectious Bronchitis (IB) Variant 2 vaccine antigen against virulent challenge with IB QX Variant

Technical Literature

Discover the cross protection conferred by the Infectious Bronchitis (IB) Variant 2 vaccine antigen against virulent challenge with IB QX Variant.

Download our technical literature to discover the aim of this technical review which is to evaluate the efficacy of two live attenuated vaccines, MEVAC™ IB VAR 2 and MEVAC™ IB H120, administered via eye-drop in specific-pathogen-free (SPF) layer chickens against a virulent QX variant strain.

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