Patient No.

Name and subtype of matched influenza A virus

NP gene identity (%)

P1

A/goose/Shantou/753/2002 (H5N1)

89

P2

A/goose/Shantou/753/2002 (H5N1)

99

P3

A/goose/Shantou/753/2002 (H5N1)

91

P4

A/goose/Shantou/753/2002 (H5N1)

97