Author: Antas, Marta; Wozniakowski, Grzegorz
Title: Current Status of Porcine Epidemic Diarrhoea (PED) in European Pigs Document date: 2019_10_24
ID: r2sjv9ih_1
Snippet: Coronaviruses (CoVs) cause a large variety of diseases in humans and animals. In pigs, coronaviruses affect various organs, including the gastrointestinal and respiratory tracts. CoVs have one of the largest genomes of all RNA viruses, which in combination with their high genetic diversity causes mutation and recombination, resulting in new virus variants (24) . Besides porcine epidemic diarrhoea virus (PEDV), the porcine coronaviruses comprise t.....
Document: Coronaviruses (CoVs) cause a large variety of diseases in humans and animals. In pigs, coronaviruses affect various organs, including the gastrointestinal and respiratory tracts. CoVs have one of the largest genomes of all RNA viruses, which in combination with their high genetic diversity causes mutation and recombination, resulting in new virus variants (24) . Besides porcine epidemic diarrhoea virus (PEDV), the porcine coronaviruses comprise transmissible gastroenteritis virus (TGEV), porcine respiratory coronavirus (PRCV), porcine haemagglutinating encephalomyelitis virus (PHEV), and porcine deltacoronavirus (PDCoV) (26) . The clinical symptoms of PED are diarrhoea, vomiting, and dehydration which result in very high mortality among suckling piglets and large economic losses (5, 8, 21) . Various factors influence the clinical signs of PED, mainly the age of the animals, the herd's immune status, and the virulence of the strain (18) . Multiple PEDV strains are circulating on different pig farms around the world and they differ in virulence.
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