Mosquito-Packed Drones Ready to Join Fight against Zika, Other Deadly Diseases – UN
Robotics may soon be a critical ally in the fight against disease-spreading bugs, a United Nations agency on 19 April 2018 said after a successful test releasing sterile mosquitos from aerial drones as part of efforts to suppress the insect that spreads Zika and other diseases.
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“The use of drones is a breakthrough, and paves the way for large-scale and cost-efficient releases, also over densely populated areas,” said Jeremy Bouyer, medical entomologist at the Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture.
SIT, a form of insect birth control, uses radiation to sterilize male mosquitos, which are then released to mate with wild females. As these do not produce any offspring, the insect population declines over time.
However, to be effective, the technique requires the uniform release of large numbers of insects in good condition over a given area.
For instance, Aedes mosquitos, responsible for the spread of diseases like dengue or yellow fever, do not disperse for more than 100 meters in their lifetime.
They are also fragile, and high-altitude releases by airplanes – often used in the application of SIT for other insects – can damage their wings and legs.
The drone-based system overcomes this problem.
“We’re pleased with initial tests that show less than 10 per cent mortality through the entire chilling, transport and aerial release process,” said Adam Klaptocz, co-founder of WeRobotics.
The breakthrough technology is also cost-effective – almost half as cheap.
Until now, sterile mosquitos have been released using time-consuming and labour-intensive ground methods.
“With the drone, we can treat 20 hectares in five minutes,” said Bouyer.
Weighing less than 10 kilograms, the drone can carry 50,000 sterile mosquitos per flight and at 10,000 Euro per drone, its use also reduces the cost of releasing mosquitos by half.
The IAEA and its partners are now working to reduce the drone’s weight and to increase its capacity to carry up to 150,000 mosquitos per flight.
The testing of the system was carried out last month in Brazil, a country hit hard by the 2015-16 Zika epidemic, which also spread to other parts of South and North America and affected several islands in the Pacific, and South-east Asia.
Brazil plans to start using the drone-based system in selected urban and rural areas from January 2019, at the peak of the summer and mosquito season.
“We are hopeful about the application of SIT for the control of Aedes aegypti in Brazil with the results from the drone tests,” said Jair Virginio, Director of Brazil-based Moscamed, a recently-designated IAEA Collaborating Centre. (SOURCE: UN).
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Source: https://human-wrongs-watch.net/2018/04/20/mosquito-packed-drones-ready-to-join-fight-against-zika-other-deadly-diseases-un/
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