About the Authors

Joel G. Breman

Affiliation Fogarty International Center, National Institutes of Health, Bethesda, Maryland, United States of America

Ciro A. de Quadros

Affiliation Sabin Vaccine Institute, Washington (D.C.), United States of America

Walter R. Dowdle

Affiliation Task Force for Global Health, Decatur, Georgia, United States of America

William H. Foege

Affiliation The Bill & Melinda Gates Foundation, Seattle, Washington, United States of America

Donald A. Henderson

Affiliation Center for Biosecurity, University of Pittsburgh Medical Center, Baltimore, Maryland, United States of America

T. Jacob John

Affiliation Christian Medical College, Vellore, India [retired]

Myron M. Levine

mlevine@medicine.umaryland.edu

Affiliation Center for Vaccine Development, University of Maryland School of Medicine, Baltimore, Maryland, United States of America

Competing Interests

The authors have declared that they have no competing interests.

Author Contributions

ICMJE criteria for authorship read and met: JGB CAdQ WRD WHF DAH TJJ MML. Agree with the manuscript's results and conclusions: JGB CAdQ WRD WHF DAH TJJ MML. Wrote the first draft of the paper: JGB DAH MML. Contributed to the writing of the paper: JGB CAdQ WRD WHF DAH TJJ MML. Wrote a section of the first draft of the paper; contributed to revisions and editing of the paper: TJJ.