Recently, AstraZeneca allegedly confirmed, for the first time in a court document, that its COVID-19 vaccine can lead to a rare side effect called thrombosis with thrombocytopenia syndrome (TTS). What is TTS, and did many people develop this side effect after receiving the AZ vaccine during the pandemic? Consultant haematologist Dr Alan Teh provides an explainer on the issue. 

Watch a short explainer video produced by Dr Alan Teh here.

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