Dengue, chikungunya may soon be endemic in Europe: research

Roughly half the world's population is already at risk of contracting the two diseases, which were once mainly confined to tropical regions. Both viruses cause fevers and can be deadly in rare cases, spread by the mosquitoes Aedes aegypti and Aedes albopictus. The latter, which is known as the tiger mosquito, is venturing further north as the world warms because of human-driven climate change. The new study, published in the Lancet Planetary Health journal, analyses the impact a number of factors...