GEORGE OBULUTSA and OMAR MOHAMMED SIXTEEN African countries have shown interest in securing COVID-19 vaccines under an African Union (AU) plan, and allocations could be announced in the next three weeks, the head of the Africa Centres for Disease Control and Prevention (CDC) said yesterday. While many rich nations have already begun mass vaccination drives, only a few African countries have started vaccination, and the 55-member African Union hopes to see 60% of the continent's 1.3 billion people immunised in the next three years. The AU has so far secured around 670 million doses for its member states. Africa CDC…