The oriental rat flea (Xenopsylla cheopis) is the primary vector of yersinia pestis (plague) in most large plague epidemics in Asia, Africa, and South America. This photo shows a large male, engorged with blood. [2/11/2009]
Bubonic Plague smear demonstrating the presence of Yersinia pestis bacteria. Bipolar staining of a plague smear prepared from lymph aspirated from an adenopathic lymph node, or bubo, of plague patient. CDC PHIL [1/2/2008]
Seen here are small hemorrhages on the skin of a plague victim.
Capillary fragility is one of the manifestations of a plague infection, evident here on the leg of an infected patient. CDC PHIL [1/2/2008]