Automated Travel History Extraction From Clinical Notes for Informing the Detection of Emergent Infectious Disease Events: Algorithm Development and Validation

Kelly S Peterson   ^{1, 2} , MS ;   Julia Lewis   ^{1, 2} , DO ;   Olga V Patterson   ^{1, 2} , PhD ;   Alec B Chapman   ^{1, 2} , MS ;   Daniel W Denhalter   ^{1, 3} , MSPH ;   Patricia A Lye   ⁴ , MT(ASCP) ;   Vanessa W Stevens   ^{1, 2} , PhD ;   Shantini D Gamage   ^{4, 5} , MPH, PhD ;   Gary A Roselle   ^{4, 5, 6} , MD ;   Katherine S Wallace   ^{7, 8} , PharmD ;   Makoto Jones   ^{1, 2} , MSCI, MD

¹ VA Salt Lake City Health Care System, US Department of Veterans Affairs, Salt Lake City, UT, United States

² Division of Epidemiology, Department of Internal Medicine, University of Utah, Salt Lake City, UT, United States

³ Department of Rocky Mountain Cancer Data Systems, University of Utah, Salt Lake City, UT, United States

⁴ National Infectious Diseases Service, Specialty Care Services, US Department of Veterans Affairs, Cincinnati, OH, United States

⁵ Division of Infectious Diseases, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, United States

⁶ Cincinnati VA Medical Center, US Department of Veterans Affairs, Cincinnati, OH, United States

⁷ Office of Biosurveillance, Veterans Affairs Central Office, US Department of Veterans Affairs, Washington, DC, United States

⁸ National Biosurveillance Integration Center, Countering Weapons of Mass Destruction, Department of Homeland Security, Washington, DC, United States