A critical Covid-19 vaccine trial is underway in South Africa.<br />The initial results for the Oxford developed vaccine have been promising.<br />Researchers however say that the real test for the experimental vaccine will come in South Africa.<br />According to CNN, scientists in Johannesburg are trying to enroll 2,000 participants in the vaccine trial.<br />South Africa has reported over 381,000 cases of COVID-19, with a death toll of 5,368.
