News From Africa

Africa: Global Advisory Committee On Vaccine Safety Review of Latest Evidence of Rare Adverse Blood Coagulation Events With AstraZeneca Covid-19 Vaccine


[WHO] A very rare new type of adverse event called Thrombosis with Thrombocytopenia Syndrome (TTS), involving unusual and severe blood clotting events associated with low platelet counts, has been reported after vaccination with COVID-19 Vaccines Vaxzevria and Covishield. A specific case definition for TTS is being developed by the Brighton Collaboration1. This will assist in identifying and evaluating reported TTS events and aid in supporting causality assessments.

Africa: Director-General’s Opening Remarks At the Media Briefing On Covid-19 – 19 April 2021

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