Augusta Turiaco was an Italian music teacher who received AstraZeneca on the 11th of March; she complained of bad headaches before falling into a coma and passing away 19 days later. Blood clots had formed in her brain and her platelet levels had fallen.
Reference
https://thecovidblog.com/2021/04/05/italy-two-more-teachers-dead-after-astrazeneca-shot/