About the Authors

Lauren J Stockman

To whom correspondence should be addressed. E-mail: lstockman@cdc.gov

Affiliations Centers for Disease Control and Prevention, Respiratory and Enteric Viruses Branch, Atlanta, Georgia, United States of America , Department of Veterans' Affairs, Atlanta Research and Education Foundation, Decatur, Georgia, United States of America

Richard Bellamy

Affiliation James Cook University Hospital, Middlesbrough, United Kingdom

Paul Garner

Affiliation Liverpool School of Tropical Medicine, Liverpool, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

LS, RB, and PG drafted the protocol for this review. LS and RB reviewed all abstracts and extracted data. All authors appraised included studies, interpreted results, commented critically on the manuscript, and contributed text to the final version.