Preview West Nile Virus, TEM Image ID: 1349-502 Artist: CDC Purchase a commercial license Buy framed prints & more from our print store abnormal colorized disease em encephalitis enhanced flavivirus histopathology illness infectious disease insect borne microbiology micrograph microorganism microscopic mosquito borne pathogen rna virus science unhealthy vector borne viral disease virus west nile fever west nile virus wnv