If you are a bit of an infectious disease obsessive like me… the two best sources of information are:
ProMED-mail
http://www.promedmail.org
Center for Infectious Disease Research and Policy (CIDRAP)
University of Minnesota
http://www.cidrap.umn.edu/
And while I do not use it, the best current influenza info is at:
http://www.flutrackers.com/forum/index.php
