[Biology and epidemiology of avian influenza].
Xu
Xiao-yuan
XY
Wang
Qin-huan
QH
D000818:Animals; D001717:Birds / Q000821:virology; D018562:Disease Transmission, Infectious / Q000517:prevention & control; D006723:Hong Kong / Q000453:epidemiology; D006801:Humans; D009980:Influenza A virus; D005585:Influenza in Birds / Q000175:diagnosis / Q000453:epidemiology* / Q000635:transmission