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NewsCochrane library newsalert
Open Access

How well do face masks worn by children block the release of exhaled particles?

Neurosciences Journal July 2023, 28 (3) 207;
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MAY 3, 2023 - New research published in Pediatric Investigation provides evidence that face masks reduce the release of exhaled particles when used by school-aged children.

For the study, 23 healthy children were asked to perform activities that ranged in intensity (breathe quietly, speak, sing, cough, and sneeze) while wearing no mask, a cloth mask, or a surgical mask.

The production of exhaled particles that were 5 µm or smaller, which is the dominant mode of transmission of many respiratory viruses, increased with coughing and sneezing. Face masks—especially surgical face masks—effectively reduced the release of these and other sized particles.

“Understanding the factors that affect respiratory particle emission can guide public health measures to prevent the spread of respiratory infections, which are a leading cause of death and hospitalization among young children worldwide,” said corresponding author Peter P. Moschovis, MD, MPH, of Massachusetts General Hospital and Harvard Medical School.

Link to Study: https://onlinelibrary.wiley.com/doi/10.1002/ped4.12376

Full citation: “The effect of activity and face masks on exhaled particles in children.” Peter P. Moschovis, Jesiel Lombay, Jennifer Rooney, Sara R. Schenkel, Dilpreet Singh, Shawheen J. Rezaei, Nora Salo, Amanda Gong, Lael M. Yonker, Jhill Shah, Douglas Hayden, Patricia L. Hibberd, Philip Demokritou, T. Bernard Kinane. Pediatr Investig; Published Online: MAY 3, 2022 (DOI: 10.1002/ped4.12376).

Copyright © 2019 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd., reproduced with permission.

  • Copyright: © Neurosciences

Neurosciences is an Open Access journal and articles published are distributed under the terms of the Creative Commons Attribution-NonCommercial License (CC BY-NC). Readers may copy, distribute, and display the work for non-commercial purposes with the proper citation of the original work.

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Neurosciences Journal: 28 (3)
Neurosciences Journal
Vol. 28, Issue 3
1 Jul 2023
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© 2025 Neurosciences Journal Neurosciences is copyright under the Berne Convention and the International Copyright Convention. All rights reserved. Neurosciences is an Open Access journal and articles published are distributed under the terms of the Creative Commons Attribution-NonCommercial License (CC BY-NC). Readers may copy, distribute, and display the work for non-commercial purposes with the proper citation of the original work. Electronic ISSN 1658-3183. Print ISSN 1319-6138.

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