http://www.newsweek.com/covid-vaccine-astrazeneca-denmark-stopped-using-side-effects-1575342

Denmark has suspended use of the Oxford/AstraZeneca vaccine because of concerns surrounding fatal blood clots.

Denmark's health minister Magnus Heunicke said in a tweet translated from Danish: "The health authorities have, due to precautionary measures, suspended vaccination with AstraZeneca following a signal of a possible serious side effect in the form of fatal blood clots.