AstraZeneca had partnered with the Serum Institute of India (SII), the world's largest vaccine manufacturer, to supply the vaccine to the Indian Government. The Serum Institute of India produced a COVID-19 vaccine named Covishield.
Thrombosis Thrombocytopenia Syndrome (TTS) is a rare but serious condition characterized by blood clot formation (thrombosis) and low levels of platelets in the blood (thrombocytopenia). It can be a rare side effect following vaccination, particularly with adenovirus vector-based COVID-19 vaccines.
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