Overwintering of West Nile virus in Southern California.

  title={Overwintering of West Nile virus in Southern California.},
  author={William K. Reisen and Ying Fang and Hugh D Lothrop and Vincent M Martinez and Jennifer Wilson and Paul Oconnor and Ryan M. Carney and Barbara Cahoon-Young and Marzieh Shafii and Aaron C Brault},
  journal={Journal of medical entomology},
  volume={43 2},
West Nile virus (family Flaviviridae, genus Flavivirus, WNV) invaded southern California during 2003, successfully overwintered, amplified to epidemic levels, and then dispersed to every county in the state. Although surveillance programs successfully tracked and measured these events, mechanisms that allowed the efficient overwintering and subsequent amplification of WNV have not been elucidated. Our current research provided evidence for three mechanisms whereby WNV may have persisted in… CONTINUE READING

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