by Neelaveni Padayachee, Varsha Bangalee, The Conversation Credit: Pixabay/CC0 Public Domain South Africa’s COVID-19 vaccine rollout program, outlined by the Ministry of Health, had three phases, starting with the most vulnerable population. Phase one included all the frontline healthcare workers. They received the Johnson and Johnson vaccine. Phase 2 vaccinated people over 60 years old and those...