'Mosquitoes can spread Zika, Chikungunya simultaneously'
According to Colorado-based researchers, mosquitoes can carry Zika and chikungunya viruses simultaneously and can secrete enough in their saliva to potentially infect humans with both in a single bite. A controlled experiment was conducted by feeding mosquitoes with blood containing Zika, chikungunya and dengue viruses, after which tests revealed that the insects had picked up the first two.