World

Key coronavirus vaccine trials to resume after health scares

Key coronavirus vaccine trials to resume after health scares
Prime Minister Scott Morrison announced the deal with pharmaceutical giant AstraZeneca while touring their laboratories in Sydney on August 19. (Getty)
A volunteer is injected with AstraZeneca's coronavirus vaccine as part of the trial. (University of Oxford/AP)
Johnson & Johnson are launching a large-scale trial of their coronavirus vaccine which, unlike other US candidates, only requires a single dose. (AP/AAP)