Silent Circulation of Rift Valley Fever in Humans, Botswana, 2013-2014

Emerg Infect Dis. 2020 Oct;26(10):2453-2456. doi: 10.3201/eid2610.191837.

Abstract

We evaluated the prevalence of Rift Valley fever virus IgG and IgM in human serum samples (n = 1,276) collected in 2013-2014 in northern Botswana. Our findings provide evidence of active circulation of this virus in humans in the absence of clinical disease in this region.

Keywords: Aedes mosquitos; Botswana; Culex mosquitos; One Health; Rift Valley fever; arboviruses; infectious disease transmission; livestock; pregnancy outcomes; public health; viruses.

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Aedes*
  • Animals
  • Antibodies, Viral
  • Botswana / epidemiology
  • Humans
  • Rift Valley Fever* / epidemiology
  • Rift Valley fever virus* / genetics

Substances

  • Antibodies, Viral