Following the Philippines and Mexico, Brazil has now approved the world's first dengue vaccine called Dengvaxia.
Medecins Sans Frontieres (MSF) fears that the dwindling stocks of Fav-Afrique, a safe and proven antivenom treatment, will put tens of thousands of lives at risk.
A new study has discovered an antibody that may prevent and treat dengue, a mosquito-borne disease.
