Regulators in Britain and the European Union both said on Wednesday that blood clots were a possible rare side effect of the AstraZeneca Covid-19 vaccine. Britain said it would offer alternative vaccines for adults under 30.
Regulators in Britain and the European Union both said on Wednesday that blood clots were a possible rare side effect of the AstraZeneca Covid-19 vaccine. Britain said it would offer alternative vaccines for adults under 30.