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Amid a shortage of medical-grade face masks, such as surgical masks (loose-fitting, disposable masks that block large droplets but don’t filter small particles) and N95 respirators (tight-fitting face ...

When news breaks, you need to understand what actually matters. At Vox, our mission is to help you make sense of the world — and that work has never been more vital. But we can’t do it on our own. We ...