TY - CPAPER AU - M. Welch; K. Harmon; J. Zhang; et al TI - Experimental efficacy of a Merck RNA particle (RP) vaccine against porcine parainfluenza type 1 (PPIV-1) challenge in weaned piglets T2 - AASV Annual Meeting DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2020 DA - 2020/03/08 L1 - https://www.aasv.org/library/swineinfo/Content/AASV/2020/280_Welch.pdf SE - Veterinary Students ER -