This probably doesn't convince you, but as additional data, Norwegian authorities have now confirmed five hospitalizations due to this presumed side effect, two

This probably doesn't convince you, but as additional data, Norwegian authorities have now confirmed five hospitalizations due to this presumed side effect, two of which resulted in death. https://www.vg.no/nyheter/innenriks/i/86OmPr/drama-i-kulissene-paa-astrazeneca-moete-norge-tok-dissens https://www.vg.no/nyheter/innenriks/i/86OmPr/drama-i-kulisse... Of course, Norwegian health authorities point out in the interview that the ethical consideration will be different between countries, depending on expected vaccine delivery and local incidence of covid.