Unprecedented Outbreak of West Nile Virus — Maricopa County, Arizona, 2021

Research and results WNV, an arthropod-borne arbovirus, is transmitted primarily through the bite of infected Culex pipiens and is the leading cause of domestically acquired arboviral infections in the United States (1). Infection by blood transfusion is also possible. Since 2005, the Food and Drug Administration has recommended his WNV nucleic acid testing of combined […]

Notes From the Field: First Evidence of Locally Acquired Dengue Virus Infection — Maricopa County, Arizona, November 2022

Melissa Kretschmer, Massachusetts1; Jennifer Collins, MPH1Dr. Ariella P. Dale1;Brenna Garrett1; Leah Koski, MPH1; Karen Zabel, MSN1; R. Nicholas Stave, M.D.1; Katie Turnbow1; Judas Nativio, MS1; Kelsey Andrews1; William E. Smith, MS1; John Townsend2; Nicole Basser2; James Will2; Kathryn Barr, DVM1,3,FourDr. Forrest K. JonesFour,FiveDr. Gilberto A. SantiagoFiveKelly A. Fitzpatrick, MSPHFive; Dr. Eileen Lubert3; Kathryn Fitzpatrick, MPH3; […]