SOUTH Africa has secured 20 million doses of COVID-19 vaccines which are expected to be delivered mainly in the first half of the year, President Cyril Ramaphosa has revealed, as the country battles a faster-spreading variant of the coronavirus. Ramaphosa's disclosure came after some scientists and health workers publicly expressed frustration at the pace at which the government was accessing COVID-19 vaccines. The country reported a new peak of more than 21,000 daily infections last week, taking total COVID-19 cases to more than 1.2 million, the most on the African continent. Coronavirus deaths now exceed 33,000. "While there are several…