پرونده:Deutsch.pngDescriptionDeutsch.png English: is logo for German language symbol Date 31 May 2020 Source Own work Author Amir.Vector
پرونده:AntigenicShift HiRes.svgis a derivative work of the following images: File:AntigenicShift HiRes.png licensed with PD-USGov-NIH 2009-04-30T21:25:41Z Fvasconcellos 2637x4236 (3870712