569 bytes added
, 13:19, 23 May 2010
Imaged obtained from Wikimedia Commons: Source:From Agricultural Research magazine, August 1996, "African Swine Fever Poses Risk to U.S. Hogs" (published by the Agricultural Research Service of the USDA), Photo credit:USDA Research at the Plum Island Animal Disease Center. This image is in the public domain because it contains materials that originally came from the Agricultural Research Service, the research agency of the United States Department of Agriculture.
Macrophage cell in early stages of infection with African swine fever virus, magnified about 1,000x.