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September 14, 2017; 130 (11)

Cover image expansion

A human reticulocyte infected with Plasmodium cynomolgi, a malaria parasite of nonhuman primates (fixed thin-film preparation stained with Giemsa stain). The asexual P cynomolgi parasite shown is at the midtrophozoite stage (∼30 hours after red cell invasion) and is morphologically similar to its sister species, P vivax. While P cynomolgi infections do not show a specific red cell tropism in their normal hosts (Old World monkeys), human infections are restricted to CD71+/CD234+ reticulocytes. See the article by Kosaisavee et al on page 1357.