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Covid-19 Vaccine Effectiveness in New York State
BACKGROUND: Population-based data from the United States on the effectiveness of the three coronavirus disease 2019 (Covid-19) vaccines currently authorized by the Food and Drug Administration are limited. Whether declines in effectiveness are due to waning immunity, the B.1.617.2 (delta) variant of...
Autores principales: | , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Massachusetts Medical Society
2021
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8693697/ https://www.ncbi.nlm.nih.gov/pubmed/34942067 http://dx.doi.org/10.1056/NEJMoa2116063 |