Effectiveness of inactivated and Ad5-nCoV COVID-19 vaccines against SARS-CoV-2 Omicron BA. 2 variant infection, severe illness, and death
Abstract Background Limited data are available on the effectiveness of inactivated and Ad5-nCoV COVID-19 vaccines in real-world use—especially against Omicron variants in SARS-CoV-2 infection-naïve population. Methods A matched case-control study was conducted among people aged ≥ 3 years between 2 D...
Main Authors: | , , , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2022-10-01
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Series: | BMC Medicine |
Subjects: | |
Online Access: | https://doi.org/10.1186/s12916-022-02606-8 |