(Originally from the English Wikipedia, where it was uploaded by TenOfAllTrades)

Gram stained cerebrospinal fluid showing gram-positive anthrax baccilli (purple rods).

Image originally appeared in

John A. Jernigan, David S. Stephens, David A. Ashford, Carlos Omenaca, Martin S. Topiel, Mark Galbraith, Michael Tapper, Tamara L. Fisk, Sherif Zaki, Tanja Popovic, Richard F. Meyer, Conrad P. Quinn, Scott A. Harper, Scott K. Fridkin, James J. Sejvar, Colin W. Shepard, Michelle McConnell, Jeannette Guarner, Wun-Ju Shieh, Jean M. Malecki, Julie L. Gerberding, James M. Hughes, Bradley A. Perkins, and members of the Anthrax Bioterrorism Investigation Team. "Bioterrorism-Related Inhalational Anthrax: The First 10 Cases Reported in the United States". Emerging Infectious Diseases (Internet serial), 7(6), December 2001.

Accessed 19:15, 8 Mar 2005 (UTC) via [1].

Reproduction of this image is permitted as long as the source is credited.

Note: although this image is labeled here, and even described in the original publication as a Gram stain, it clearly is a Wright stain rather than a Gram stain; the white cell nuclei stain blue with a Wright stain, but pink with Gram's. Both are commonly used on CSF.

本图片是美国卫生及公共服务部旗下的美国疾病控制与预防中心的作品，系有关雇员作为其公务目的所拍摄或制作。作为美国联邦政府的作品，本图片属于公有领域。