The effect of mandatory COVID-19 certificates on vaccine uptake: synthetic-control modelling of six countries
<strong>Background</strong> Mandatory COVID-19 certification (showing vaccination, recent negative test, or proof of recovery) has been introduced in some countries. We aimed to investigate the effect of certification on vaccine uptake. <br> <strong>Methods</strong> We...
| Main Authors: | , |
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| Format: | Journal article |
| Language: | English |
| Published: |
Elsevier
2021
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