1. Infectious Diseases Pathology Branch, Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
2. Providence Health Systems, Portland, Oregon, USA
3. Multnomah County Health Department, Portland, Oregon, USA
4. Public Health Division, Oregon Health Authority, Portland, Oregon, USA
5. Rickettsial Zoonoses Branch, Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA