Is AstraZeneca's adenovirus technology behind the blood clots?

This week, US health authorities recommended pausing the rollout of the one-shot Johnson & Johnson/Janssen COVID-19 vaccine while investigations into exceptionally rare blood clots take place.

Six women suffered blood clots out of nearly seven million doses administered.

The J&J vaccine uses broadly similar vaccine technology as the AstraZeneca vaccine, known as adenoviral vectors, which

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