EU opens new front in AstraZeneca legal fight that may lead to fines
By Francesco Guarascio
Ontario will no longer give AstraZeneca COVID-19 vaccine as 1st dose due to blood clot risk
By Muriel Draaisma
Mixing Covid-19 vaccines tied to more side effects, early UK data suggests
By Jacqueline Howard
More frequent side-effects reported mixing Pfizer and Oxford Covid jabs, study suggests
By Natalie Grover
Slovakia suspends use of AstraZeneca COVID-19 vaccine as a recipient dies
By Robert Muller, Jason Hovet & Andrew Cawthorne