Table 3 Neutralization activity against mutant viruses possessing amino acid substitutions in NA

From: A broadly protective human monoclonal antibody targeting the sialidase activity of influenza A and B virus neuraminidases

mAb

IC50 value (μg/ml) against variant viruses possessing amino acid substitutions of escape mutants

Wild-type

D151G

D151N + T439A

V50L + D151G

D151N

T439A

V50L

DA03E17

15.8

>50

>50

>50

>50

39.7

17.7

1G01

3.13

15.8

9.92

8.84

9.92

4.42

6.25

CR9114

3.13

6.25

4.96

4.96

1.56

4.42

6.25

1430E3/9

>50

>50

>50

>50

>50

>50

>50