Denmark is suspending the use of the Oxford-AstraZeneca vaccine for 14 days as it investigates reports of some patients developing blood clots after being inoculated, days after several other EU countries suspended use of a specific batch of the vaccine.Denmark is suspending the use of the Oxford-AstraZeneca vaccine for 14 days as it investigates reports of some patients developing blood clots after being inoculated, days after several other EU countries suspended use of a specific batch of the vaccine.