AstraZeneca Tests Booster Vaccine Against Beta Variant Of Covid

Reading Time: 4 minutes COVID-19: AstraZeneca’s ‘booster’ vaccine’s trial will involve around 2,250 participants (File). London: AstraZeneca and the University of Oxford on Sunday began new trials to test a modified vaccine against the Beta variant, which first emerged in South Africa. The ‘booster’ vaccine’s trial will involve around 2,250 participants from Britain, South Africa, Brazil and Poland. They … Read more