Figure 8个  Table 1个
    • Species Year of emergence (new-emergence) Mortality in newborn piglets Pathogenicity for other species Seroconversion Humoral immunity duration Clinical symptoms Tissue tropism Vaccine
      TGEV 1946 Almost 100% Not reported 6–7 dpi Several months Anorexia, diarrhea, vomiting, dehydration, weight loss, lethargy Digestive system (intestinal epithelial cells) Available (prosystem® tge/rota; prosystem® trec)
      PEDV 1971 reemerged in 2010 Up to 100%, depending on the strain Not reported 10 dpi Up to 16 weeks or more Anorexia, diarrhea, vomiting, dehydration, weight loss, lethargy Digestive system (intestinal epithelial cells) Live, inactivated and subunit developed in China, Japan, Korea, US (not sufficient to control PEDV outbreaks)
      PDCoV 2014 initially detected in 2009 Up to 40% Cattle, poultry 5–7 dpi Six months Anorexia, diarrhea, vomiting, dehydration, weight loss, lethargy Digestive system (intestinal epithelial cells) No
      SADS-CoV 2017 Up to 5 th day of life 90–100%; above the 8 th day of life—5% Not reported Unknown Unknown Anorexia, diarrhea, vomiting, dehydration, weight loss, lethargy Digestive system (intestinal epithelial cells) No
      PRCV 1984 Negligible Not reported Around 6 dpi Around 1 month Dyspnea, tachypnea, sneezing, coughing, fever, anorexia and delayed growth Respiratory tract (epithelial cells), tonsil, lung, limited intestinal replication No
      PHEV 1957 Up to 100% Not reported 6–7 dpi 4–18 weeks Anorexia, constipation, vomiting, wasting, incoordination, ataxia, stiffness, hyperesthesia, posterior paralysis, respiratory distress Central nervous system No

      Table 1.  Selected parameters characteristics for porcine coronaviruses.