West Nile virus infection incidence based on donated blood samples and neuroinvasive disease reports, Northern Texas, USA, 2012

Emerg Infect Dis. 2015 Apr;21(4):681-3. doi: 10.3201/eid2104.141178.


During the 2012 outbreak of West Nile virus in the United States, approximately one third of the cases were in Texas. Of those, about half occurred in northern Texas. Models based on infected blood donors and persons with neuroinvasive disease showed, respectively, that ≈0.72% and 1.98% of persons in northern Texas became infected.

Keywords: Texas; WNV; West Nile neuroinvasive disease; West Nile virus; antibodies; blood donors; transfusions; vector-borne infections; viruses; zoonoses.

MeSH terms

  • Adolescent
  • Adult
  • Aged
  • Aged, 80 and over
  • Blood Donors*
  • Child
  • Female
  • Humans
  • Incidence
  • Male
  • Middle Aged
  • Population Surveillance
  • RNA, Viral
  • Seasons
  • Seroepidemiologic Studies
  • Texas / epidemiology
  • Viremia
  • West Nile Fever / epidemiology*
  • West Nile Fever / virology
  • West Nile virus* / genetics
  • Young Adult


  • RNA, Viral