About the Authors
Department of Infectious Disease Epidemiology, Faculty of Medicine, Imperial College, London, United Kingdom
Anhui Institute of Parasitic Diseases, Wuhu, People's Republic of China
The authors have declared that no competing interests exist.
Conceived and designed the experiments: DBL TPW JPW. Analyzed the data: DBL. Contributed reagents/materials/analysis tools: DBL JWR TPW CAD JPW. Wrote the paper: DBL JWR CAD JPW. Performed field surveys and PCR work: JWR GRF.