Guidance on conducting vaccine effectiveness evaluations in the setting of new SARS-CoV-2 variants: interim guidance, 22 July 2021: addendum to Evaluation of COVID-19 vaccine effectiveness: interim guidance
Geneva; World Health Organization; 2021. (WHO/2019-nCoV/vaccine_effectiveness/variants/2021.1).
in English, Portuguese, Russian, Chinese, Arabic
| WHOIRIS | ID: gwh-343173
Responsible library:
CH1.1
Subject(s)
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Collection:
Databases of international organizations
Database:
WHOIRIS
Main subject:
Vaccines
/
Disease Outbreaks
/
Guideline
/
Immunity, Heterologous
/
Betacoronavirus
/
COVID-19 Vaccines
/
COVID-19
Language:
Arabic
/
English
/
Portuguese
/
Russian
/
Chinese
Year:
2021
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