Trials have begun in South Africa for a second COVID-19 vaccine study. The hope is that at least one of the vaccines being trialled will show promise and play a role in eliminating the SARS-CoV-2 coronavirus.
In this episode of Pasha, Shabir Madhi, professor of vaccinology and director of the vaccines and infectious diseases analytics research unit at the University of the Witwatersrand, explains why there are multiple vaccine studies under way, the differences between them, how this second South African trial works and when the results might be known.
Photo: “Development and creation of a coronavirus vaccine COVID-19. Coronavirus Vaccine concept in hand of doctor blue vaccine jar. Vaccine Concept of fight against coronavirus.” By PalSand Shutterstock