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Purdue News Photo
Current vaccines against human cases of bird flu, or avian influenza, are effective only against specific strains of these illnesses. Purdue University molecular virologist Suresh Mittal and collaborators are investigating using a harmless virus, called an adenovirus, as a delivery vehicle to develop vaccines that will continue to provide protection as influenza strains mutate. (Purdue Agricultural Communication photo/Tom Campbell)
The story accompanying this photograph can be seen by clicking this link to Mittal.birdflu
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