About the Authors

Julian A. Drewe

jdrewe@rvc.ac.uk

Affiliations Centre for Emerging, Endemic and Exotic Diseases, Royal Veterinary College, London, United Kingdom, Food and Environment Research Agency, Woodchester Park, Gloucestershire, United Kingdom

Alexandra J. Tomlinson

Affiliation Food and Environment Research Agency, Woodchester Park, Gloucestershire, United Kingdom

Neil J. Walker

Affiliation Food and Environment Research Agency, Woodchester Park, Gloucestershire, United Kingdom

Richard J. Delahay

Affiliation Food and Environment Research Agency, Woodchester Park, Gloucestershire, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JAD AJT NJW RD. Performed the experiments: JAD. Analyzed the data: JAD AJT NJW RD. Contributed reagents/materials/analysis tools: JAD AJT NJW RD. Wrote the paper: JAD AJT NJW RD.