The West African country became the first to start rolling out the newest shot targeting malaria, the R21/Matrix-M, in an effort that aims to cover about 2,50,000 children under two The West African country became the first to start rolling out the newest shot targeting malaria, the R21/Matrix-M, in an effort that aims to cover about 2,50,000 children under two Health Health News, Wellbeing Tips, Diseases, Treatment and Nutrition | The Hindu