Authors’ addresses: Annette Erhart, Nico Speybroeck, Marc Coosemans, and Umberto D’Alessandro, Department of Parasitology, Prince Leopold Institute of Tropical Medicine, Nationalestraat 155, 2000 Antwerp. Belgium, Telephone: 32-3-247-63-08, Fax: 32-3-247-63-59, E-mail:
Acknowledgments: We thank all the study participants in Village 3 and the two Hamlet Health Workers for their effective contribution to the present study. We also thank the staff of the Provincial Malaria Station of Binh Thuan Province, the Institute of Malariology, Parasitology and Entomology in Ho Chi Minh City and the National Institute of Malariology, Parasitology and Entomology in Hanoi for their full and constant support of this study.
Financial support: This work was supported by the Belgian Cooperation in the framework of the Institutional Collaboration between the Institute of Tropical Medicine in Antwerp and the National Institute of Malariology, Parasitology and Entomology in Hanoi.
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