AstraZeneca rated the best Delta COVID vaccine
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Last week I questioned whether Australia had backed the wrong vaccine, given research suggested that AstraZeneca was more effective against the Delta strain than Pfizer.
A new study analysing COVID-19 related outcomes from Bahrain between December 2020 and July 2021 shows that recipients of the AstraZeneca vaccine were hospitalised less and experienced less death than recipients of three other vaccines – Pfizer, Sinopharm and Sputnik.
Below is a summary of this study:
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About the author

Leith van Onselen is Chief Economist at the MB Fund and MB Super. He is also a co-founder of MacroBusiness.
Leith has previously worked at the Australian Treasury, Victorian Treasury and Goldman Sachs.