Results after 2 years implementing methods to active the community role in dengue fever/dengue hemorrhagic fever control and prevention in Nam Ha province

ABSTRACT

Several methods for active the community role in dengue fever/dengue hemorrhagic fever control and prevention were implemented in 3 communes of Nam Hµ province from 1998 to 2000. These methods included health education to improve the knowledge of local people on this disease, eliminating discarded containers and introducing predacious Mesocyclops to large-size water containers. Results from the fields showed that the vector indices were reduced significantly compared with that in other untreated communes. No dengue epidemic circulated in the interventional communes. Using Mesocyclops for dengue control was accepted easily by local people. Mesocyclops can recycle and develop one released in water containers. Its population can remain from 70% to 90% after releasing