This week saw the UN launch an ambitious bid to stop the spread of common, mosquito-borne diseases – known as “arboviruses” - which threaten more than half the world’s population.

The main target of the initiative is four of the most common arboviruses: Dengue, Yellow fever, chikungunya, and Zika.

Here’s the World Health Organization’s Dr. Maria Van Kerkhove now, telling UN News’s Daniel Johnson all about how the Global Arbovirus Initiative plans to share expertise on bug-busting across continents.