Canada on Monday suspended the use of the Oxford/AstraZeneca Covid vaccine for people under 55 following concerns it might be linked to rare blood clots.
The pause was recommended by the National Advisory Committee on Immunization for safety reasons. The Canadian provinces, which administer health in the country, announced the suspension on Monday.
“There is substantial uncertainty about the benefit of providing AstraZeneca Covid-19 vaccines to adults under 55 given the potential risks,” said Dr Shelley Deeks, vice-chair of the National Advisory Committee on Immunization.
Deeks said the updated recommendations came amid new data from Europe that suggests the risk of blood clots is now potentially as high as one in 100,000, much higher than the one in one million risk believed before: