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Table 2 Viral distribution of wild-type and mouse-adapted viruses in different tissues in mice

From: Mouse-adapted H9N2 avian influenza virus causes systemic infection in mice

VirusMean virus titer in sample [log10 TCID50 ml−1] ± SD
LungLiverSpleenKidneyBrain
G13/3a-b
(5.6 ± 0.6)    
G1-MA3/3
(6.9 ± 0.3c)    
ZB3/3
(5.0 ± 0.1)    
ZB-MA3/32/33/32/33/3
(7.0 ± 0.1d)(2.6 ± 0.1)(3.3 ± 0.1)(3.1 ± 0.2)(3.7 ± 0.2)
  1. aNo. of infected mice/total no. of mice
  2. bNo virus was isolated from the sample
  3. cThe lung titers in the G1-MA group were significantly higher than those in the G1 group (p < 0.05)
  4. dThe lung titers in the ZB-MA group were significantly higher than those in the ZB group (p < 0.05)