Reuters: Experts fight H5N1 bird flu using smallpox vaccine

[natalie]

Experts fight H5N1 bird flu using smallpox vaccine
      
   
      

HONG KONG (Reuters) - Scientists in Hong Kong and the United States have developed an experimental H5N1 bird flu vaccine for people by piggybacking it on the well-tested and highly successful smallpox vaccine.<div class="feedflare">
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