RT @Atul_Gawande: Masks aren't perfect. They markedly reduce transmission and real but limited protection to wearers. Wearers are nonethele… 0 atbildes
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Mareks Matisons™ (2020-10-18 06:48:20) |
RT @Atul_Gawande: Masks aren't perfect. They markedly reduce transmission and real but limited protection to wearers. Wearers are nonethele… | |