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)
H7N9-53
>8.0
-
H7N9-53 MA
4.32
>3.68
H7N9-MCX
H7N9-MCX MA
5.12
>2.88
H7N9-ZSM
H7N9-ZSM MA
1.50
>6.5