Clinical Infectious Diseases
1 October 2010  Volume 51, Number 7
http://www.journals.uchicago.edu/toc/cid/current

Correspondence
Risk of Fatal Adverse Events after H1N1 Influenza Vaccine: Limitations of Passive Surveillance Data
Michael M. McNeil, Karen R. Broder, Claudia Vellozzi, and Frank DeStefano

Informal Network of Communication Tools Played an Important Role in Sharing Safety Information on H1N1 Influenza Vaccine
Haruka Nakada, Naoko Murashige, Tomoko Matsumura, Yuko Kodama, and Masahiro Kami