Cohort Study: Effectiveness of Pfizer, Moderna, and AstraZeneca vaccines against severe covid-19 outcomes in a nationwide mass vaccination setting.

Effectiveness of BNT162b2, mRNA-1273, and ChAdOx1-S vaccines against severe covid-19 outcomes in a nationwide mass vaccination setting: cohort study – BMJ Medicine

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? Read our latest research article comparing the effectiveness of three #COVID vaccines against severe COVID outcomes. ▶️ https://t.co/uaQNgnDrrV#BMJMedicine #MedTwitter #openaccess pic.twitter.com/4oeG5d0j80

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