1 Arthropod-borne and Infectious Diseases Laboratory, Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, CO 80523-1692, USA. Electronic address: brian.foy@colostate.edu.
2 Department of Clinical Sciences, Colorado State University, Fort Collins, CO, USA.
3 Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, CT, USA.
4 PATH, Seattle, WA, USA.
5 Institute of Research in Health Sciences, Western Regional Direction, National Center for Scientific and Technological Research, Bobo-Dioulasso, Burkina Faso.