Cutaneous, or skin, anthrax lesion four days after exposure.
Cutaneous anthrax lesion seven days after exposure.
Photomicrograph of bacillus anthracis spores, which cause the infectious disease anthrax.
Cutaneous anthrax lesion five days after exposure.
Cutaneous anthrax lesion twelve days after exposure.
Anthrax bacteria (blue rods) in cerebrospinal fluid from the first case of inhalational anthrax due to bioterrorism in the United
States, 2001. (Courtesy of JFK Medical Center, Atlantis, Fla.)
Smallpox (courtesy of World Health Organization)
Progression of smallpox rash. Note how the lesions all evolve and erupt at the same time.
Tularemia (courtesy of CDC)
Tularemia skin ulcer.
Progression of chicken pox rash. Note how the lesions are more superficial than smallpox, and evolve at different rates.
Ebola (courtesy of CDC)
Microscopic view of Ebola virus. One of two filoviruses, named for their long and stringy, or filamentous, appearance.
