Healthcare 10 facts on how mosquitoes pose a threat to half the world Updated : August 21, 2019 10:28 AM IST Mosquito bites result in the deaths of more than one million people every year with the majority due to malaria. About 90 percent of all malaria deaths occur in Africa. Currently, in Burundi, more than half the population is infected with malaria. After Zika spread to the United States in 2016, experts warned that more life-threatening diseases could be carried from the tropics. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.