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Vector Surveillance

Genetic Differentiation Findings May Affect Vector Competence

Published in Medical Letter on the CDC and FDA, February 19th, 1996

Strong genetic differentiation exists among Anopheles albimanus populations.

While barriers to gene flow exist among populations of An. albimanus in the Atlantic and Pacific coast areas, no such barriers were found among vector populations from Colombia, Ecuador, Peru and Venezuela, stated Ana Maria P. De Merida, University del Valle de Guatemala, Guatemala City, Guatemala, and colleagues. Researchers from the U.S. Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, also participated in the study.

Gene flow involves changes over time in the genetic composition of a population, resulting from migration, rather than from...

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