DAKAR (Reuters) -Up to one million COVID-19 vaccines are estimated to have expired in Nigeria last month without being used, two sources told Reuters,...
Britain moved Thursday to reassure the public over the safety of its coronavirus vaccine campaign, after deciding to offer alternatives to an AstraZeneca jab...
A British trial of the AstraZeneca coronavirus vaccine on children has been paused while regulators assess its possible link to blood clots, Oxford University,...
Scientists at Oxford University say their experimental coronavirus vaccine has been shown in an early trial to prompt a protective immune response in hundreds...