Evaluation of BBIBP-CorV Sinopharm COVID-19 vaccine effectiveness in Sri Lanka: a test-negative case control study
Objectives There is limited research on real-world effectiveness of BBIBP-CorV Sinopharm COVID-19 vaccine. This study evaluated real-world effectiveness of Sinopharm vaccine in Sri Lanka by assessing absolute vaccine efficacy.Design and setting A retrospective test-negative case-control study was co...
Main Authors: | , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMJ Publishing Group
2024-11-01
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Series: | BMJ Open |
Online Access: | https://bmjopen.bmj.com/content/14/11/e090341.full |