Mosquitoes that transmit dengue and other viruses have evolved growing resistance to insecticides in parts of Asia, and novel ways to control them are desperately needed, new research warns.
"In Cambodia, more than 90 percent of Aedes aegypti mosquitoes have the combination of mutations that results in an extremely high level of resistance," Kasai told AFP news agency.That meant insecticide levels that would normally kill almost 100 percent of mosquitoes in a sample killed only around seven percent of the insects.
But neither option is yet close to eradicating dengue, and Aedes aegypti mosquitoes carry other diseases, including zika and yellow fever.New formulas needed Resistance levels differed, with mosquitos from Ghana as well as parts of Indonesia and Taiwan still relatively susceptible to existing chemicals, particularly at higher doses.
He said new chemicals are needed, but authorities and researchers also need to think of other ways to protect communities, including vaccines.
MarcianoBrito13 Nova geração de Aedes aegypti mil vezes mais resistente: 'A dengue que pode causar febre hemorrágica e infecta cerca de 100 a 400 milhões de pessoas por ano, segundo a OMS. Vai ter vacina' Quando a vacina chegar tome! Se cuide, o Aedes tb transmite zika e febre amarela etc
Thank you BillGates
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