ImmunityBio to study Covid-19 vaccine as booster in South Africa: ImmunityBio is set to start two trials of Covid-19 vaccine in South Africa to assess its potential for prolonged protection. ImmunityBio is set to commence two trials in South Africa to evaluate its ... Source: "South Africa" - BingNews … [Read more...] about SA News: ImmunityBio to study Covid-19 vaccine as booster in South Africa