1. Virology Division, United States Army Military Research Institute of Infectious Diseases (USAMRIID), Frederick, MD, USA
2. Division of Medicine, United States Army Military Research Institute of Infectious Diseases (USAMRIID), Frederick, MD, USA
3. Diagnostics Systems Division, United States Army Military Research Institute of Infectious Diseases (USAMRIID), Frederick, MD, USA
4. Center for Aerobiological Sciences, United States Army Military Research Institute of Infectious Diseases (USAMRIID), Frederick, MD, USA