Scientists in Brazil released a batch of mosquitoes containing bacteria that are capable of reducing the ability of mosquitoes to infect people with dengue, as part of field trials conducted among dengue-affected communities. 

The Wolbachia method of eradicating dengue is being used by Eliminate Dengue, a not-for-profit international collaboration of researchers, in which Wolbachia infection is transferred to dengue causing mosquitoes. The infected mosquitoes, in turn, pass the infection on to the next generation through their eggs. Thus, these mosquitoes lose the ability to spread dengue infection to humans. This bacterium which is found in 70% of insects is not naturally present in dengue-causing mosquitoes, until scientists found a way to infect them with it. Wolbachia is harmless to humans............click for more

Source: Livemint

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