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Number of outbreaks per month separated into the causal genetic variant strains of Porcine Epidemic Diarrhoea Virus (PEDV). From January 2015 to June 2017, three PED epidemic peaks occurred during the winter months. From the beginning of 2017, a recombinant variant (PEDV/SeCoV) appeared and became prevalent. The S‐INDEL PEDV strains, recombinant PEDV/SeCoV strains and unavailable sequences are shown with black, grey, and white, respectively. SeCoV, Swine Enteric Coronavirus
