[1] CDC, Rickettsial Zoonoses Branch, Div Vector Borne Dis, Natl Ctr Emerging & Zoonot Infect Dis, Atlanta, GA 30329 USA
[2] CDC, Bacterial Special Pathogens Branch, Div High Consequence Pathogens & Pathol, Natl Ctr Emerging & Zoonot Infect Dis, Atlanta, GA 30329 USA
[3] CDC, Hazard Evaluat & Tech Assistance Branch, Div Field Studies & Engn, Natl Inst Occupat Safety & Hlth, Cincinnati, OH USA
[4] CDC, Western States Div, Natl Inst Occupat Safety & Hlth, Denver, CO USA
[5] Oak Ridge Inst Sci & Educ ORISE, Oak Ridge, TN USA
[6] CDC, Outbreak Response & Prevent Branch, Div Foodborne Waterborne & Environm Dis, Natl Ctr Emerging & Zoonot Infect Dis, Atlanta, GA 30329 USA
[7] CDC, Off Director, Div Vector Borne Dis, Natl Ctr Emerging & Zoonot Infect Dis, Ft Collins, CO USA