Millions of lives will be in danger if antimalarial drug resistance spreads from Asia to Africa, doctors have warned.
About half of the world’s population is at risk of malaria, but some of the drugs used to treat it have started to fail.
Currently, artemisinin-based combination therapies (ACTs) are the gold standard of antimalarial treatment – but in 2008, a parasite resistant to artemisinin emerged in Pailin, western Cambodia.