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2. US case reports of cerebral venous sinus thrombosis with thrombocytopenia after Ad26.COV2.S vaccination;See;JAMA.,2021
3. Medicines and Healthcare Products Regulatory Agency (MHRA). MHRA issues new advice, concluding a possible link between COVID-19 vaccine AstraZeneca and extremely rare, unlikely to occur blood clots; 2021. Accessed May 29, 2021. Available at: gov.uk/government/news/mhra-issues-new-advice-concluding-a-possible-link-between-covid-19-vaccine-astrazeneca-and-extremely-rare-unlikely-to-occur-blood-clots.
4. Centers for Disease Control and Prevention. Update: thrombosis with thrombocytopenia syndrome (TTS) following COVID-19 vaccination; 2021. Accessed May 29, 2021. Available at: cdc.gov/vaccines/acip/meetings/downloads/slides-2021-05-12/07-COVID-Shimabukuro-508.pdf.
5. Thrombosis and thrombocytopenia after ChAdOx1 nCoV-19 vaccination;Schultz;N Engl J Med,2021