Methods and compositions for vaccinating piglets against prrs-1 virus
AssigneeZoetis Services LLC
InventorsMonica BALASCH SANUY, Marta CABANA SUMSI, Jay Gregory CALVERT, Lucas Park TAYLOR
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Abstract
This disclosure provides a vaccine comprising a modified live PRRS-1 virus attenuated in cells expressing porcine CD163 for use in inducing protective immunity in a piglet that is older than 60 hours of age, wherein said vaccine is administered to said piglet intranasally.
Claims21
A method of inducing protective immunity against Porcine Reproductive and Respiratory Virus type 1 (PRRS-1) in a piglet that is older than 60 hours of age, the method comprising intranasally administering to said piglet a vaccine comprising a modified live PRRS-1 virus attenuated in cells expressing porcine CD163, wherein said piglet is PRRS-1 MDA-positive.
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Dependencies are inferred from the claim text.