Yellow Card link
https://coronavirus-yellowcard.mhra.gov.uk/about

Government website on adverse reactions

Click to access COVID-19_AstraZeneca_Vaccine_Analysis_Print.pdf

York review – history of patient reporting

https://aura.abdn.ac.uk/bitstream/handle/2164/2957/mon1520_YCS.pdf;jsessionid=70780E9E705E664188E0B406FFFD2605?sequence=1

https://www.gov.uk/government/publications/coronavirus-covid-19-vaccine-adverse-reactions/coronavirus-vaccine-summary-of-yellow-card-reporting

Denmark pause
https://www.theguardian.com/society/2021/mar/11/denmark-pauses-astrazeneca-vaccines-to-investigate-blood-clot-reports