Effectiveness of CoronaVac and BNT162b2 COVID-19 mass vaccination in Colombia: A population-based cohort study
Background: In February 2021, Colombia began mass vaccination against COVID-19 using mainly BNT162b2 and CoronaVac vaccines. We aimed to estimate vaccine effectiveness (VE) to prevent COVID-19 symptomatic cases, hospitalization, critical care admission, and deaths in a cohort of 796,072 insured subj...
Main Authors: | , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier Ltd
2022
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Subjects: | |
Online Access: | View Fulltext in Publisher |