[The Conversation Africa] South Africa is one of the leading countries in Africa in terms of COVID vaccine rollout, along with Mauritius, Tunisia and Morocco. It has, however, had it's fair share of challenges. Shabir Madhi has been a key player in shaping the country's response. Ina Skosana and Ozayr Patel asked him for an assessment of plans to vaccinate adolescents, and next steps.