Skip to main content
. 2013 Aug 6;347:f4752. doi: 10.1136/bmj.f4752

Nucleotide sequences identities among eight genes of three strains* isolated from two patients and environment related to family cluster of novel avian influenza A (H7N9) virus infection in Eastern China, 2013

Gene segment divergence Percent identity
Wuxi/1 Wuxi/2 Env/1
PB2
Wuxi/1 99.9 99.7
Wuxi/2 0.1 99.6
Env/1 0.3 0.4
PB1
Wuxi/1 99.9 99.4
Wuxi/2 0.1 99.3
Env/1 0.6 0.7
PA
Wuxi/1 99.8 99.8
Wuxi/2 0.2 99.8
Env/1 0.2 0.2
NP
Wuxi/1 99.9 99.7
Wuxi/2 0.1 99.7
Env/1 0.3 0.3
HA
Wuxi/1 99.9 99.7
Wuxi/2 0.1 99.6
Env/1 0.3 0.4
NA
Wuxi/1 99.6 99.1
Wuxi/2 0.4 99.4
Env/1 0.9 0.6
M
Wuxi/1 99.9 97.9
Wuxi/2 0.1 97.8
Env/1 2.1 2.2
NS
Wuxi/1 99.6 99.5
Wuxi/2 0.4 99.4
Env/1 0.5 0.6

*A/Wuxi/1/2013 (Wuxi/1) isolated from daughter, A/Wuxi/2/2013 (Wuxi/2) isolated from index patient (father), and A/Environment/Wuxi/1/2013 (Env/1) isolated from environmental sample collected from free live market where index patient used to visit.