
Keywords: آمریکا، ایالات متحده; PED, porcine epidemic diarrhea; PEDV, porcine epidemic diarrhea virus; TGEV, porcine transmissible gastroenteritis virus; RVA, porcine group A rotavirus; US, United States; aa, amino acid; S gene, spike genePorcine epidemic diarrhea virus; Genetic charact