FILE PHOTO: A vial with the AstraZeneca’s coronavirus disease (COVID-19) vaccine is pictured in Berlin, Germany, March 16, 2021. REUTERS/Hannibal HanschkeBERLIN (Reuters) – Germany’s vaccine...

LONDON/CHICAGO (Reuters) – The rapid rise in different parts of the world of deadly, more infectious coronavirus variants that share new mutations is leading scientists to ask a critical question...

FILE PHOTO: A nurse holds a tray of syringes with AstraZeneca vaccines against the coronavirus disease (COVID-19) in Huelva, Spain March 24, 2021. REUTERS/Marcelo del Pozo/File PhotoMADRID (Reuters) –...

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,...

The City of London financial district can be seen as a woman walks on a footpath along the River Thames, amid the coronavirus disease (COVID-19) outbreak, in London, Britain, March 4, 2021. REUTERS/Henry...

FILE PHOTO: A vial of AstraZeneca coronavirus disease (COVID-19) vaccine is pictured at St. Mary’s Hospital, in Phoenix Park in Dublin, Ireland, February 14, 2021. REUTERS/Clodagh KilcoyneGENEVA...

ZURICH (Reuters) – Scientists who normally focus on fixing defective genes said on Friday that up to $2.1 million from the Bill & Melinda Gates Foundation will help them move their COVID-19 vaccine...