Brazilian researchers in Rio de Janeiro have released thousands of mosquitoes infected with bacteria that suppress dengue fever.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/brazil-releases-good-mosquitoes-fight-dengue-fever
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/bbc-uk
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/brazil
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dengue
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-care
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/medical-systems
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/medical-research