Effects of Face Mask Mandates on COVID-19 Transmission in 51 Countries: Retrospective Event Study
BackgroundThe question of the utility of face masks in preventing acute respiratory infections has received renewed attention during the COVID-19 pandemic. However, given the inconclusive evidence from existing randomized controlled trials, evidence based on real-world data with high external validi...
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| Main Authors: | , , , , |
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| Format: | Book |
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JMIR Publications,
2024-03-01T00:00:00Z.
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A1234.567 |
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