But there is no absolute proof that nRNA vaccines do not cause VIPIT or are safer than AZ.
With the mRNA vaccines there have also been reported cases of thrombocytopenia and bleeding.Now in HIT there are also some patients who bleed and this can include cerebral haemorrhage and so possible death.
As well the mRNA vaccines have a higher incidence of anaphylaxis which also can be fatal
And its now looking like the mRNA vaccines don't last as long as they hoped (well Pfizer at least) with boosters may be needed as early as 6 months....
No vaccine is perfect.