The European Medicines Agency (EMA) has again said there is “no indication” that the Oxford-AstraZeneca Covid-19 vaccine causes blood clots, after several countries suspended their rollouts.
European Medicines regulator head Emer Cooke said she remained “firmly convinced” that the benefits of the vaccine outweighed any risks.
An investigation into cases of clots in a handful of recipients is ongoing.
The World Health Organization (WHO) has urged countries not to halt vaccinations.
Vaccine safety experts from the WHO are also meeting on Tuesday to review the Oxford-AstraZeneca jab.
AstraZeneca says a review of 17 million people who received doses in Europe found there were 37 cases of people who had developed blood clots.
The EMA says the number of blood clots reported in vaccinated people is no higher than that seen in the general population.
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“We know that many thousands of people develop blood clots in the EU so what we want is to establish whether these events are caused by the vaccine or by other causes,” Ms Emer said.
“While the investigation is ongoing, currently, we are still firmly convinced that the benefits of the AstraZeneca vaccine in preventing COVID-19, with its associated risks of hospitalisation and death, outweigh the risks,” she added.
Results from the EMA’s investigation are due to be released on Thursday.
A number of countries have temporarily suspended use of the vaccine, including Germany,
France, Italy and Spain.
They said they were pausing the rollout following reports of blood clots in some recipients. Blood clots are solid clumps that form in the blood, which can be life threatening if not treated quickly. The countries stressed that it was a precautionary measure.
“This is a professional decision,” German Health Minister Jens Spahn said, adding that he was following the recommendation of the country’s vaccine institute.
Other countries, including Austria, have halted the use of certain batches of the drug, while Belgium, Poland, the Czech Republic and Ukraine said they would continue to administer the AstraZeneca vaccine.
BBC News
