Characterization of neuraminidase inhibitor-resistant influenza virus isolates from immunocompromised patients in the Republic of Korea

Table 5 HA genetic variation compared with A/Brisbane/02/2018 (H1 numbering)

Virus	Amino acid identity with A/Brisbane/02/2018 (%)	G62R^a,b,c	N146D^a,b,c	A158E ^a,b,c	T202I ^a,b,c	R240Q ^a,c,d	N277D^b	A299P^a,b	V315I^a,b	K521^b
A/Korea/S0003/2019	98.94	○	○	○		○		○	○
A/Korea/S0002/2019	98.59	○	○		○	○	○	○	○	○
Frequency (%)		84.19	17.76	0.97	19.77	99.87	29.46	84.85	85.38	3.08

ISSN: 1743-422X