BBCNEWS BBC News at One February 7, 2022 13:21:00
To cross the us—canada border, but the protests have grown into broader challenges to covid health restrictions. its ambition was to be a vaccine for the world — two and a half billion doses of the oxford—astrazeneca jab were delivered across the globe during the pandemic and nearly half of all adults in the uk received two doses of it. its use in the rest of europe, though, wasn't straightforward. there was a row with the eu about supply shortages and restrictions were put on the vaccine's use over the risk of rare blood clots. so did politics get in the way? our medical editor fergus w...