OMAR MOHAMMED AFRICA needs about $9 billion to finance enough of COVID-19 vaccines to halt the pandemic on the continent, but a bigger problem is accessing that supply amid the global race for doses, an African Export Import Bank official has said. Hippolyte Fofack, Afreximbank chief economist, told Reuters the Cairo-based bank and other development finance institutions are working with the Africa Centres for Disease Control and Prevention (CDC) to obtain vaccines for the novel coronavirus. But African nations cannot compete with wealthier governments that have secured huge supplies of inoculations, he said. "If the supply of COVID-19 vaccines is…