OSLO (Reuters) - Three health workers in Norway who had recently received the AstraZeneca COVID-19 vaccine are being treated in hospital for bleeding, blood clots and a low count of blood platelets, ...

Researchers from the University of Liverpool’s Centre for Drug Safety Science have identified unpredicted T-cell immune responses to the adenoviral (Oxford/AstraZeneca and Janssen) COVID-19 vaccines, ...

European drug regulators have confirmed a link between the Oxford-AstraZeneca Covid-19 shot and rare blood clots, as UK authorities recommended that people under 30 should take alternative vaccines.

COPENHAGEN (Reuters) - A 60-year old Danish woman who died of a blood clot after receiving AstraZeneca's COVID-19 vaccine had "highly unusual" symptoms, according to the Danish Medicines Agency. The ...