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Scientists have found a human antibody that prevented malaria in mice by binding a protein found in allmost all the strains of the parasite worldwide. The human antibody was isolated from a protected subject who received an experimental vaccine containing whole, weakened malaria parasites (PfSPZ Vaccine - Sanaria). The paired findings - of both the antibody and the site it targets on the surface protein - could open new pathways to malaria prevention, researchers at the National Institutes of Health in the US. The study published in the journal 'Nature Medicine' shows that the antibody, called CIS43, protects against malaria better than any antibody that has been described before.