By Sowetan - 28 April 2021 - 08:21 Today, the Sisonke trial that uses Johnson & Johnson's Covid-19 vaccine will resume after it was temp"> By Sowetan - 28 April 2021 - 08:21 Today, the Sisonke trial that uses Johnson & Johnson's Covid-19 vaccine will resume after it was temp" property="og:description"> By Sowetan - 28 April 2021 - 08:21 Today, the Sisonke trial that uses Johnson & Johnson's Covid-19 vaccine will resume after it was temp">