METH­ODS TAR­GET­ING THE MOS­QUITO

Down to Earth - - HEALTH -

GM mos­qui­toes: When a ge­net­i­cally mod­i­fied male mos­quito mates with a reg­u­lar fe­male mos­quito, their prog­eny dies be­fore adult­hood PROS: Demon­strated to be ef­fec­tive in re­duc­ing mos­quito pop­u­la­tion by 90 per cent CONS: Ex­pen­sive. They can po­ten­tially harm the environment if the mu­ta­tion is trans­ferred to other in­sects Wol­bachia- in­fected mos­qui­toes: The bac­terium does not al­low repli­ca­tion of dengue virus in mos­qui­toes. De­vel­op­ers claim it is ef­fec­tive against other vec­tor­borne dis­eases PROS: In­fected mos­qui­toes pass the bac­terium to the prog­eny and pro­vide long-term con­trol of the dis­ease. It was found suc­cess­ful in field tri­als CONS: Still to be tested in large set­tings Fun­gus: Me­tarhiz­ium brun­neum fun­gus kills the lar­vae in wa­ter­bod­ies PROS: It pro­tects from mos­quito bites CONS: In ini­tial stage of re­search

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