About the Authors

Van Thi Phan, Annette Kjær Ersbøll
Department of Large Animal Sciences, Section of Veterinary Epidemiology, Faculty of Life Sciences, University of Copenhagen, Frederiksberg, Denmark

Van Thi Phan, Khue Viet Nguyen
Centre for Environment and Disease Monitoring in Aquaculture, Research Institute for Aquaculture No.1, Tu Son, Vietnam

Henry Madsen
Centre for Health Research and Development, Department of Veterinary Disease Biology, Faculty of Life Sciences, University of Copenhagen, Frederiksberg, Denmark

Anders Dalsgaard
Department of Veterinary Disease Biology, Faculty of Life Sciences, University of Copenhagen, Frederiksberg, Denmark

Corresponding Author

phanvan@ria1.org

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VTP AKE AD. Performed the experiments: VTP KVN. Analyzed the data: VTP AKE. Contributed reagents/materials/analysis tools: VTP. Wrote the paper: VTP AKE KVN HM AD. Analyzed data on snail presence in ponds: HM.