in as many arms as possible — and that was a huge logistical exercise. some sports stadiums opened their doors. second doses for some... thank you for coming in today. the jab will be the pfizerjab. ..while younger people were encouraged to get their firstjab. churches and cathedrals were also turned into vaccine hubs. but some concerns emerged about rare blood clots linked to the 0xford—astrazeneca vaccine. fergus walsh: business as usual in northeast london. headlines about blood clots didn't put people off getting the astrazeneca vaccine. the thought of catching covid is more severe than having a blood clot. taking any medicine, there's always a side effect. so i wasn't really unduly concerned about having the jab. 79 rare blood clots have been identified out of 20 million doses