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COVID-19 Stats: Percentage of Middle and High School Students Aged 13–21 Years Attending In-Person Classes Who Reported Observing Fellow Students Wearing a Mask All the Time, by School Setting and Activity — United States, October 2020
| Formato: | Online Artículo Texto |
|---|---|
| Lenguaje: | English |
| Publicado: |
Centers for Disease Control and Prevention
2021
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7877581/ https://www.ncbi.nlm.nih.gov/pubmed/33571177 http://dx.doi.org/10.15585/mmwr.mm7006a5 |