The global rollout of the Oxford-AstraZeneca Covid-19 vaccine has encountered another hurdle as a handful of countries paused their use of the shot following reports it could be connected to blood clots, despite no clear evidence of a link.


원문출처 : https://www.cnn.com/2021/03/12/europe/astrazeneca-vaccine-blood-clot-reports-denmark-reviews-intl/index.html