In:
Neglected Tropical Diseases
Authors:
Andrew D. Haddow1, Amy J. Schuh, Chadwick Y. Yasuda, Matthew R. Kasper, Vireak Heang, Rekol Huy, Hilda Guzman, Robert B. Tesh, Scott C. Weaver
Abstract
Background: Zika virus (ZIKV) is a mosquito-borne flavivirus distributed throughout much of Africa and Asia. Infection with the virus may cause acute febrile illness that clinically resembles dengue fever. A recent study indicated the existence of three geographically distinct viral lineages; however this analysis utilized only a single viral gene. Although ZIKV has been known to circulate in both Africa and Asia since at least the 1950s, little is known about the genetic relationships between geographically distinct virus strains. Moreover, the geographic origin of the strains responsible for the epidemic that occurred on Yap Island, Federated States of Micronesia in 2007, and a 2010 pediatric case in Cambodia, has not been determined.
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