Oxford malaria vaccine rollout could have ‘major’ implications in sub-Saharan Africa, economist says
[ad_1] Close-up of a yellow-fever mosquito biting human skin, it’s a culicidae vector of malaria, yellow fever, chikungunya, dengue and zika virus in Brazil, known locally as mosquito da dengue. Joao Paulo Burini | Moment | Getty Images Nigeria this week joined Ghana in provisionally approving a new malaria vaccine developed by scientists at the…