April 3, 2006
Switzerland finds fourth bird flu case
A fourth case of the lethal H5N1 strain of bird flu in a wild bird has been confirmed in Switzerland, authorities said Friday (Mar 31).
Switzerland's Federal Veterinary Office said a European Union laboratory in Weybridge, England had confirmed the H5N1 subtype in a dead duck found on the Swiss side of Lake Constance, which also borders Germany and Austria.











