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. 2020 Aug 16;31(3):505–537. doi: 10.1007/s12210-020-00938-2

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© The Author(s) 2020

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 14 — Lateral (upper panel, 8000 fps) and top (lower panel, 2000 fps) views of the initial phase of the expiratory expulsion associated with a sneeze. Droplets (right column, t = 117 ms) form from the fragmentation of complex structures evolving from sheets and bags (left column, t = 8 ms) into elongated filaments (central column, t = 21 ms)

(adapted from Scharfman et al. 2016)