Gain-of-function experiments on H7N9

Ron A M Fouchier*, Yoshihiro Kawaoka*, Carol Cardona, Richard W Compans, Adolfo García-Sastre, Elena A Govorkova, Yi Guan, Sander Herfst, Walter A Orenstein, J S Malik Peiris, Daniel R Perez, Juergen A Richt, Charles Russell, Stacey L Schultz-Cherry, Derek J Smith, John Steel, S Mark Tompkins, David J Topham, John J Treanor, Ralph A TrippRichard J Webby, Robert G Webster

*Corresponding author for this work

Research output: Contribution to journalComment/Letter to the editorAcademicpeer-review

Abstract

Since the end of March 2013, avian influenza A viruses of the H7N9 subtype have caused more than 130 human cases of infection in China, many of which were severe, resulting in 43 fatalities. Although this A(H7N9) outbreak is now under control, the virus (or one with similar properties) could re-emerge as winter approaches.

To better assess the pandemic threat posed by A(H7N9) viruses, investigators from the NIAID Centers of Excellence in Influenza Research and Surveillance and other expert laboratories in China and elsewhere have characterized the wild-type avian A(H7N9) viruses in terms of host range, virulence and transmission, and are evaluating the effectiveness of antiviral drugs and vaccine candidates. However, to fully assess the potential risk associated with these novel viruses, there is a need for further research, including experiments that may be classified as 'gain of function' (GOF).

Here we outline the aspects of the current situation that most urgently require additional research, our proposed studies, and risk-mitigation strategies.
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Original languageEnglish
Pages (from-to)150-1
Number of pages2
JournalNature
Volume500
Issue number7461
DOIs
Publication statusPublished - 8 Aug 2013

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© 2013 Macmillan Publishers Limited. All rights reserved

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  • Gain-of-Function Experiments on H7N9

    Fouchier, R., Kawaoka, Y., Cardona, C., Compans, R., Garcia-Sastre, A., Govorkova, E., Guan, Y., Herfst, S., Orenstein, W., Peiris, J., Perez, D., Richt, J., Russell, C., Schultz-Cherry, S., Smith, D., Steel, J., Tompkins, S., Topham, D., Treanor, J. & Tripp, R. & 2 others, Webby, R. & Webster, R., 2013, In: Science. 341, 6146, p. 612-613 2 p.

    Research output: Contribution to journalArticleAcademicpeer-review

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