Scientists in Australia have managed to wipe out more than 80 percent of Aedes aegypti mosquitoes, known for carrying Zika virus, in a field experiment, by rendering the male mosquitoes impotent.
French drug maker Sanofi had earlier revealed that Dengvaxia - the world's first dengue vaccine might increase the risk of severe disease in people who had never been exposed to the virus.
Over 76,000 people have been infected by the mosquito-borne disesase in the first six months of this year, a record figure that far surpasses last year's total of 55,000.
Thousands of people have contracted dengue fever since last month's torrential rains and deadly floods created breeding grounds for mosquitoes, which carry the virus.
International charity CARE says mosquito-borne diseases, including Zika virus and dengue fever, pose immediate threat to survivors of earthquake that hit Ecuador this week
World Health Organization recommends Sanofi drug company's dengue vaccine in areas with high virus prevalence rates
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