File:Text.pngDescriptionText.png English: A collection of different typefaces Date 19 January 2014, 00:16:41 Source Own work Author CanadianDude1
File: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