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Table 1 Virus titers in the tissues of infected mice

From: Transmission of H7N9 influenza virus in mice by different infective routes

Virusa Days post-infection Virus titer (log10TCID50 ± SD)
   Heart Liver Spleen Lung Kidney Intestine Brain Nose
A/CA/07/09 (H1N1) 5 NPd -b + 4.83 ± 1.7 - - - NP
A/SZ/406H/06 (H5N1) 5 NP 3.62 ± 1.1 1.62 ± 0.23 3.50 ± 1.92 1.17 ± 0.32 1.38 ± 0.27 2.17 ± 0.41 NP
A/Anhui/1/2013 (H7N9) 1 - - - 4.00 ± 1.20 - - - 3.50 ± 1.38
2 - 0.81 1.50 5.50 ± 1.90 2.00 - +c 2.50 ± 0.75
3 - 0.75 - 5.00 ± 1.85 -   - 2.50 ± 0.75
5 - - - 6.00 ± 2.15 - 0.86 ± 0.13 - 3.50 ± 1.38
  7 - - - 3.50 ± 1.77 - 0.75 - 2.00 ± 0.38
  1. aMice were infected with influenza viruses at a dose of 106 TCID50.
  2. bViable virus was not detected after three passages in MDCK cells.
  3. cCyotpathic effects were observed but TCID50 values were less than 0.5.
  4. dNP, Not performed.