La Crosse Virus in Aedes albopictus Mosquitoes, Texas, USA, 2009
Figure 1. Geographic distribution of La Crosse virus (LACV) in accordance with the habitat range of Aedes triseriatus mosquitoes in the United States as inferred from the California serogroup virus neuroinvasive disease average annual incidence by county, 1996–2008. Incidence rates are shown in shades of blue. Dallas County and Fort Bend County locations of the 2009 LACV isolations from pools containing Ae.albopictus and Ae. triseriatus mosquitoes are indicated by green and red stars, respectively. Data and figure adapted from the Centers for Disease Control and Prevention website (www.cdc.gov/lac/tech/epi.html).