![](https://media.springernature.com/w90/springer-static/cover/journal/11427/52/5.jpg?as=webp)
Volume 52, Issue 5
May 2009Focal Theme: The challenges of avian influenza virus: mechanism, epidemiology and control (405–473)
14 articles in this issue
Focal Theme: The challenges of avian influenza virus: mechanism, epidemiology and control (405–473)