Health
One dose of AZ’s COVID-19 vaccine ‘highly effective’ against severe disease from variants – PMLiVE
New real-world data from Canada shows vaccine efficacy was lower against milder symptomatic disease with one dose

New real-world data has demonstrated that one dose of AstraZeneca’s COVID-19 vaccine is ‘highly effective’ at reducing severe disease and hospitalisation caused by variants of concern after one dose.
A pre-print study using real-world analysis – including…
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