hello Dear ,i have some Experience of tamiflu because i have to used in that time , when i was affected by Bird Flu.
Ya I agree that Tamiflu is been looked as a single solution working nowadays but researchers are doing a lot to develop new vaccines for treating birdflu. These vaccines are guessed as more effective over bird flu than the tamiflu. I have visited the site having URL
http://www.drugdelivery.ca/s3353-s-tamiflu.aspx
. You may visit this site for more information on this topic and also for lot of information on Tamiflu.