A comparison study tested a number of mosquito repellent products available in the market to determine which type is the most effective mosquito repellent.
Travellers need to take effective Zika-prevention sprays in order to keep viruses at bay.
Researchers mutated mosquitoes by removing the gene, orco, which left the mosquitoes with no sense of smell.
Due to storms and rainy weather, giant mosquitoes are returning to Florida this summer.
Science has confirmed what those anecdotal experiences have shown: mosquitoes learn to simply ignore insect repellant.