Trial of coronavirus vaccine by AstraZeneca put on hold in US
Image Credit: Shortpedia
According to some sources, the trials of AstraZeneca's coronavirus vaccine have been put on hold in United States until midweek. However, the firm has restarted its trial in Britain after regulators completed their review of a serious side effect. AstraZeneca was flagged as the most promising candidate by the World Health Organisation. It is not clear it the trials have been halted in India and South Africa too.