Prediction of seasonal patterns of porcine reproductive and respiratory syndrome virus RNA detection in the U.S. swine industry. - Trevisan G; Linhares LCM; Crim B; Dubey P; Schwartz KJ; Burrough ER; Wang C; Main RG; Sundberg P; Thurn M; Lages PTF; Corzo CA; et al. (Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc, 2020)