The world's first and only malaria vaccine was launched in the African country of Malawi on Tuesday as part of a landmark pilot program hoping to protect in particular hundreds of thousands of children under five against one of the world's leading killers according to the World Health Organization (WHO). Thirty years in the making RTSS is the first and to date the only vaccine that has demonstrated it can significantly reduce malaria in children according to the WHO. In clinical trials the vaccine was found to prevent about four in ten malaria cases including three in ten cases of
