African used drone sprayer to kill mosquitoes against malaria
Malaria is an insect-borne infectious disease caused by mosquitoes infected with Plasmodium by biting or entering the blood of a person carrying Plasmodium. Africa is a region with a high incidence of malaria, and everyone is at risk of contracting malaria, which is spread by deadly mosquitoes. An effective way to fight malaria by killing mosquitoes seems to have been found recently - using drones equipped with tanks, pumps and nozzles to spray large areas with biopesticides to kill mosquitoes.
Rwanda is located in a malaria-endemic region of Africa. Although the incidence of malaria has recently declined – from 4.8 million in 2017 to 1.8 million in 2020, the disease remains a major health concern. According to the World Health Organization (WHO), malaria remains one of the leading causes of disease and death in Rwanda. 19 of Rwanda's 30 regions are prone to malaria epidemics.
The drones target mosquito larvae - spraying mosquito-killing insecticides in areas where the frequency of mosquito-borne diseases remains high. Drones are expected to do jobs that would require hundreds of ground workers, saving millions of dollars and improving mosquito control.
Drone technology company Charis Unmanned Aerial Solutions (CUAS) undertook this great program, and CUAS' drones are equipped with water tanks, pumps and nozzles. As the operator flew the drone over an area with the highest malaria prevalence, the downward thrust of the propeller pushed the insecticide down, covering the area and strangling mosquito larvae.
Advantages of drones for mosquito control
1. Efficiency: It takes 500 people to spray one hectare of land with a drone
2. Cost: The flying cost of drone spraying one hectare is only 2 US dollars, while the traditional manual spraying costs 30 US dollars
According to the Rwanda Dispatch Service, the drones are said to save the government between $1 and $2 million in staffing per region, since without the drones it would take an army of 500 people to spray one hectare of land.
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