Nature  
Volume 480 Number 7376 pp151-284  8 December 2011
http://www.nature.com/nature/current_issue.html

Specials
Outlook Influenza
Herb Brody

Epidemiology: Racing against the flu
Duncan Graham-Rowe

Q&A: The flu catcher
Richard Webby

Prevention: Vaccine for all seasons
Jana Schlütter

Drugs: Lines of defence
Roxanne Palmer

Public health: Life lessons
Laura Vargas Parada

Morbidity: A personal response
Christine Junge