Robyn Porteous, a vaccine trials' volunteer, is injected with a vaccine as part of the country's human clinical trial for potential vaccines after being tested for the coronavirus disease (COVID-19), at the Wits RHI Shandukani Research Centre in Johannesburg, South Africa, August 27, 2020. South African volunteers on AstraZeneca's experimental coronavirus vaccine trial said they were not worried to hear the trial had been paused after a participant fell ill and they hoped to be part of a potential solution to the pandemic. REUTERS/Siphiwe Sibeko
10 September 2020 00:00 WIB