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is a derivative work of the following images: File:AntigenicShift HiRes.png licensed with PD-USGov-NIH 2009-04-30T21:25:41Z Fvasconcellos 2637x4236 (3870712
BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue English Large Kodiak Bear standing still object has role: photographer author name string: