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Table 2 The infection progress of mice inoculated with JS-2012, UL41 null and revertant viruses

From: Generation and characterization of UL41 null pseudorabies virus variant in vitro and in vivo

Viruses Dose (TCID50) Days post inoculation (dpi)
1 2 3 4 5 6 7 8 9 10
JS-2012 105 + +++ (−*)        
104 + ++ ++ (−*)       
UL41 revertant 105 + +++ (−*)        
104 + + +++ (−*)       
UL41 null 105 + +++ + (−*)       
104 + + + +
  1. “-”: No nervous signs such as unrest, tickle, depression, and biting the skin
  2. “+”: Nervous signs such as unrest, tickle, depression, and biting the skin and < 50% mortality. “++”: Nervous signs such as unrest, tickle, depression, and biting the skin and 50% mortality. “+++”: Nervous signs such as unrest, tickle, depression, and biting the skin and > 50% mortality
  3. “-*”: All mice died in this group