Increased prevalence of a rare mutant of pandemic H1N1 influenza virus in a Eurasian region.
Yang
Ting-Ting
TT
Qingdao Center for Disease Control and Prevention, Qingdao 266032, PR China.
Wang
Zhao-Guo
ZG
Li
Shan-Peng
SP
Liu
Xiao-Lin
XL
Yi
Ying
Y
Yang
Yu
Y
Yu
Ping
P
Chen
Ji-Ming
JM