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Table 1. MLD50 of the parental and mouse-adapted H7N9 viruses

From: Multiple amino acid substitutions involved in the adaption of three avian-origin H7N9 influenza viruses in mice

Influenza virus

MLD50

Decrease in MLD50

(log10 EID50/ml)

(log10 EID50/ml)

H7N9-53

>8.0

-

H7N9-53 MA

4.32

>3.68

H7N9-MCX

>8.0

-

H7N9-MCX MA

5.12

>2.88

H7N9-ZSM

>8.0

-

H7N9-ZSM MA

1.50

>6.5

  1. -: Not applicable