evidence of exposure of waterfowl and other aquatic birds to the hemagglutinating duck adenovirus identical to eds-76 virus.serum and fecal samples from 12 species of aquatic birds were studied for evidence of exposure to a hemagglutinating duck adenovirus (dav). dav is serologically indistinguishable from egg-drop syndrome-76 virus. a total of 285 serum samples were tested by the hemagglutination-inhibition (hi) test. forty-two percent of the birds had hi antibodies, with titers ranging from 8 to 256. wild ducks showed the highest frequency of antibodies (56%) while in coots and grebes, antibody was less frequent, 3 ...19846325725
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