Denmark suspends use of AstraZeneca Covid vaccine over reports of blood clots

The Oxford-AstraZeneca covid vaccine.

Karwai Tang | Getty Images

LONDON — Denmark announced Thursday it may perchance possibly most definitely temporarily droop the expend of the coronavirus vaccine developed by AstraZeneca and the College of Oxford.

The Danish Health Authority acknowledged it may perchance possibly most definitely temporarily end utilizing the shot in its vaccination program as a precaution “after stories of excessive circumstances of blood clots in folks which had been vaccinated with the COVID-19 vaccine from AstraZeneca.”

“By contrast background, the European Medicines Agency has launched an investigation into the AstraZeneca vaccine. One train relates to a death in Denmark. At most up-to-date, it may perchance possibly most definitely now not be concluded whether or now not there’s a link between the vaccine and the blood clots,” the health authority acknowledged in a observation.

It did now not specify how many stories of blood clots there had been, or where they had originated.

The announcement comes after an analogous switch in Austria before every little thing of the week, where authorities are investigating the death of 1 particular person and the illness of 1 other after they obtained doses of the vaccine.

Shares of AstraZeneca on the London market slipped 2.4% on Thursday morning. The College of Oxford would now not say on the announcement when contacted by CNBC.

A spokesperson for AstraZeneca acknowledged the company used to be attentive to the observation made by the Danish Health Authority that it be for the time being investigating capacity adverse effects related to the vaccine.

“Patient security is the ideal precedence for AstraZeneca. Regulators fill sure and stringent efficacy and security standards for the approval of any recent capsules, and that choices COVID-19 Vaccine AstraZeneca. The safety of the vaccine has been extensively studied in Part III scientific trials and Peep-reviewed info confirms the vaccine is recurrently neatly tolerated,” AstraZeneca acknowledged in a observation to CNBC.

Søren Brostrøm, director of the National Board of Health in Denmark, insisted that the 14-day suspension used to be a precaution whereas investigations took space.

“You can must emphasise that we’ve now not opted out of the AstraZeneca vaccine, but that we are putting it on protect. There is magnificent proof that the vaccine is both actually helpful and fine. However both we and the Danish Medicines Agency wish to react to stories of possible serious aspect effects, both from Denmark and other European worldwide locations,” he acknowledged.

Austria concerns

Austrian health authorities suspended the expend of batch ABV5300 of the AstraZeneca vaccine after a particular person used to be identified with a pair of thrombosis (formation of blood clots inside blood vessels) and died 10 days after vaccination, and one other used to be hospitalized with pulmonary embolism after being vaccinated.

“The latter is now convalescing,” the European Medicines Agency acknowledged Wednesday.

Nonetheless, the EMA added that “there’s for the time being no indication that vaccination has brought about these stipulations, that are not listed as aspect effects with this vaccine.”

The EMA eminent that the same batch ABV5300 used to be brought to 17 EU worldwide locationsand contains 1 million doses of the vaccine.

“Some EU worldwide locations fill additionally as a result of this fact suspended this batch as a precautionary measure, whereas a paunchy investigation is ongoing. Even supposing a high quality defect is notion of now not going at this stage, the batch quality is being investigated,” the EMA acknowledged.

It added that its security committee used to be reviewing the realm and “investigating the circumstances reported with the batch as neatly as all other circumstances of thromboembolic events, and other stipulations related to blood clots, reported publish-vaccination.”

“The guidelines on hand up to now indicates that the amount of thromboembolic events in vaccinated folks is now not any higher than that seen in the typical inhabitants.”

As of March 9, “22 circumstances of thromboembolic events had been reported among the three million folks vaccinated with COVID-19 Vaccine AstraZeneca in the European Economic Dwelling,” the EMA acknowledged.

U.Sufficient. and EU reliance

Gradual-stage scientific trials chanced on the AstraZeneca-Oxford shot to fill a median efficacy of 70% in holding towards the virus. A extra most up-to-date peep by Oxford researchers chanced on that the Covid vaccine used to be 76% fine at battling symptomatic an infection for 3 months after a single dose, and that the efficacy rate genuinely rose with an extended interval between the first and 2nd doses.

The AstraZeneca-Oxford vaccine is being relied upon closely in the U.Sufficient. and European Union’s immunization rollouts.

The U.Sufficient. has up to now vaccinated over 22 million folks with a predominant dose of a coronavirus vaccine and is for the time being only utilizing the AstraZeneca and PfizerBioNTech shot.