1. Occupational & Environmental Safety Office, Duke University & Health System, Durham, NC, USA
2. Division of Occupational & Environmental Medicine, Family Medicine & Community Health, Duke School of Medicine, Duke University, Durham, NC, USA
3. National Biosafety & Biocontainment Training Program, National Institutes of Health, Bethesda, MD, USA
4. Duke University Health System, Durham, NC, USA
5. Duke School of Medicine, Duke Human Vaccine Institute, Durham, NC, USA
6. Division of Infectious Diseases, Duke School of Medicine, Duke University, Durham, NC, USA