Face Masks in the New COVID-19 Normal: Materials, Testing, and Perspectives
Simulated future (cumulative) death tolls for Washington state, using either a fixed (top panels) or variable (bottom panels) transmission rate, , and nine different permutations of general public mask coverage and effectiveness. The -axes are scaled differently in the top and bottom panels. Reproduced with permission from Ref. . Copyright 2020, Elsevier B.V. on behalf of KeAi Communications Co., Ltd.