About the Authors

Matthew Frieman

Affiliation Department of Microbiology and Immunology, University of Maryland, Baltimore, Maryland, United States of America

Dipanwita Basu

Affiliation Department of Microbiology, University of Virginia School of Medicine, Charlottesville, Virginia, United States of America

Krystal Matthews

Affiliation Department of Microbiology and Immunology, University of Maryland, Baltimore, Maryland, United States of America

Justin Taylor

Affiliation Department of Microbiology and Immunology, University of Maryland, Baltimore, Maryland, United States of America

Grant Jones

Affiliation Department of Microbiology and Immunology, University of Maryland, Baltimore, Maryland, United States of America

Raymond Pickles

Affiliation Department of Microbiology and Immunology, Gene Therapy Center, University of North Carolina, Chapel Hill, North Carolina, United States of America

Ralph Baric

Affiliation School of Public Health, University of North Carolina, Chapel Hill, North Carolina, United States of America

Daniel A. Engel

dae2s@virginia.edu

Affiliation Department of Microbiology, University of Virginia School of Medicine, Charlottesville, Virginia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DE RB MF. Performed the experiments: MF DB KM JT GJ. Analyzed the data: MF DE. Contributed reagents/materials/analysis tools: MF RB DE. Wrote the paper: MF RB DE.