Proposed bird-flu vaccine said a stopgap
(AP)


<p><a href="http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/ap/20070228/ap_on_he_me/bird_flu_vaccine"><img src="http://d.yimg.com/us.yimg.com/p/ap/20070228/capt.han10102280443.vietnam_bird_flu_han101.jpg?x=130&y=90&sig=I2BNPVHwq5CTxSz0w2WRsg--" align="left" height="90" width="130" alt="Poultry traders wait for customers at a market in Ha Tay province near Hanoi, Vientam on Wednesday Feb. 28, 2007. The government earlier this week confirmed the first bird flu outbreak in northern part of the country in more than a year. (AP Photo/Tran Van Minh)" border="0" /></a>AP - Even as U.S. health officials decide whether to approve the first bird flu vaccine, Sanofi Aventis SA and others are studying ways of fending off a pandemic with even better shots.</p><br clear="all"/>