AstraZeneca vaccine: risk of death is 1 in a million, but what does that mean? – Curious

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Excerpts from:

AstraZeneca vaccine: risk of death is 1 in a million, but what does that mean?

24 August 2021

Text version and sources listed below. Image: Australian Academy of Science; CC2.0. See high resolution version of this image, or download a PDF of this file suitable for printing (12MB).

Note that in Australia the name â€˜COVID-19 Vaccine AstraZeneca’ (usually shortened to â€˜AstraZeneca vaccine’) is changing to â€˜Vaxzevria’ to identify the specific vaccine and match the name used internationally. There is no change to the vaccine itself.

Text version and sources listed below. Image: Australian Academy of Science; CC2.0. See a high resolution version of this image, or download a PDF of this file suitable for printing (14MB).

Note that in Australia the name ‘COVID-19 Vaccine AstraZeneca’ (usually shortened to ‘AstraZeneca vaccine’) is changing to ‘Vaxzevria’ to identify the specific vaccine and match the name used internationally. There is no change to the vaccine itself.

What is TTS?

Thrombosis with thrombocytopenia syndrome (TTS) is a rare condition reported in some people who have received adenoviral vector COVID-19 vaccines [such as the AstraZeneca COVID-19 vaccine]. The syndrome is characterised by blood clot formation (thrombosis) combined with low platelet levels (thrombocytopenia).

TTS is different to other more commonly diagnosed blood clotting conditions as it is triggered by an immune response that causes the combination of both clots and low platelets.

Having a history of blood clots, like deep vein thrombosis (DVT), does not increase your risk of TTS due to the AstraZeneca vaccine.

Text version and sources for infographics

Infographic 1: If you choose to get the AstraZeneca vaccine, your risk of death from TTS is 1 in a million and your risk of getting TTS at all is less than 30 in a million

Risk of death due to TTS from receiving the AstraZeneca COVID-19 vaccine is 1 in a million
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Risk of TTS from receiving the AstraZenecaCOVID-19 vaccine is less than 30 in a million
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Risk of death from a general anaesthetic is 18 in a million
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Risk of death due to daily aspirin is 100 in a million
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Risk of being struck by lightning is 2 in a million

Read the article:

https://www.science.org.au/curious/people-medicine/astrazeneca-vaccine-risk-death-1-million-what-does-mean

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