About the Authors

Van Thi Phan

phanvan@ria1.org

Affiliations Department of Large Animal Sciences, Section of Veterinary Epidemiology, Faculty of Life Sciences, University of Copenhagen, Frederiksberg, Denmark, Centre for Environment and Disease Monitoring in Aquaculture, Research Institute for Aquaculture No.1, Tu Son, Vietnam

Annette Kjær Ersbøll

Affiliation Department of Large Animal Sciences, Section of Veterinary Epidemiology, Faculty of Life Sciences, University of Copenhagen, Frederiksberg, Denmark

Khue Viet Nguyen

Affiliation Centre for Environment and Disease Monitoring in Aquaculture, Research Institute for Aquaculture No.1, Tu Son, Vietnam

Henry Madsen

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

Anders Dalsgaard

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

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.