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Effectiveness of the CoronaVac vaccine in older adults during a gamma variant associated epidemic of covid-19 in Brazil: test negative case-control study
Formato: | Online Artículo Texto |
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Lenguaje: | English |
Publicado: |
BMJ Publishing Group Ltd.
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8419709/ https://www.ncbi.nlm.nih.gov/pubmed/34489240 http://dx.doi.org/10.1136/bmj.n2091 |