About the Authors
- Sarah Knowlson
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Affiliation Division of Virology, National Institute for Biological Standards and Control, Potters Bar, Hertfordshire, United Kingdom
- John Burlison
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Affiliation Division of Virology, National Institute for Biological Standards and Control, Potters Bar, Hertfordshire, United Kingdom
- Elaine Giles
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Affiliation Division of Virology, National Institute for Biological Standards and Control, Potters Bar, Hertfordshire, United Kingdom
- Helen Fox
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Affiliation Division of Virology, National Institute for Biological Standards and Control, Potters Bar, Hertfordshire, United Kingdom
- Andrew J. Macadam
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Affiliation Division of Virology, National Institute for Biological Standards and Control, Potters Bar, Hertfordshire, United Kingdom
- Philip D. Minor
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* E-mail: Philip.Minor@nibsc.org
Affiliation Division of Virology, National Institute for Biological Standards and Control, Potters Bar, Hertfordshire, United Kingdom
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: SK JB EG HF AJM PDM. Performed the experiments: SK JB EG HF. Analyzed the data: AJM PDM. Wrote the paper: PDM AJM.