"A malaria vaccine capable of giving people 100% protection against the disease will be tested in a large clinical trial for the first time. The trial will begin in 2020 on Bioko, an island of Equatorial Guinea, and will involve 2,100 people, including children. The vaccine, called PfSPZ, is injected intravenously and works by eliciting an immune response against the malaria parasite Plasmodium falciparum. [...]" https://www.nature.com/ar...