Transmitted by mosquitoes, malaria – or malaria – remains a scourge in 2023. Despite advances in research, the disease continues to threaten half of the world's population.

Nearly 620,000 people in 2021, mostly in sub-Saharan Africa, Southeast Asia and Latin America. In the department of Choco, where Marta Moya and Aitor Twabarri went for France 24, infections have risen by 60% in the last 30 years. Miners are particularly affected: it is almost impossible for them to protect themselves from mosquitoes while working.