Vampires and their chief, named Dracula, are popular characters featured in many horror stories and movies.
Government spending cuts in Brazil could hamper the ability to control the zika virus that caused panic, and a small number of deaths, after an outbreak starting in 2015.
Fiji identifies the hot spots for dengue fever where the World Mosquito Program will curb it with Wolbachia mosquitoes.
The Aedes aegypti mosquito, which spreads debilitating and potentially deadly viruses, from Zika and dengue to chikungunya, thrives in warmer climates than its malaria-carrying cousin.
American technology companies are bringing automation to battle mosquitoes in bid to halt the spread of Zika.