EMMA FARGE PLANS for Africa's first independent COVID-19 vaccine production hubs could revolutionise the global vaccine industry but will depend on the willingness of pharmaceutical companies to share their technology, the World Health Organization has said. The Geneva-based health agency said last week it is setting up a hub with South Africa to give poorer countries the tools to produce their own COVID-19 vaccines using mRNA technology currently used in Moderna and Pfizer's COVID shots. WHO's Agnès Buzyn, the WHO head's envoy for multilateral affairs, said that several other African and Asian countries had also applied and discussions with Senegal…