valve d'expiration

DOM: pandémie de COVID-19; EXP: valve dont sont équipés certains masques (essentiellement masques FFP3) pour faciliter la respiration

Source : Revue médicale suisse, Première étude comparant la performance de différents types de masques pour filtrer les gouttelettes produites par la parole, 2020-08-26 ([Internet, 2020-10-30](https://www.revmed.ch/covid-19/Premiere-etude-comparant-la-performance-de-differents-types-de-masques-pour-filtrer-les-gouttelettes-produites-par-la-parole))

USG: forme abrégée courante

Source : Swiss National COVID-19 Science Task Force, Les différents types de maques de protection, 2020-10-14 ([Internet, 2020-10-30](https://ncs-tf.ch/images/lay_summaries/fr/Les_differents_types_de_masques_de_protection.pdf))

DOM: Covid-19-Pandemie; EXP: Ventil, mit dem bestimmte Masken (meist FFP3-Masken) versehen sind, um das Atmen zu erleichtern

Source : Swiss National COVID-19 Science Task Force, Übersicht über verschiedene Maskentypen, ihren Aufbau, Qualitätskriterien, Verwendung, Test und Zertifizierungsmethoden, 2020-09-24, S. 2 ([Internet, 2020-10-30](https://ncs-tf.ch/de/policy-briefs/clarification-on-face-mask-types-architecture-quality-handling-test-and-certification-procedures-14-oct-20-en-2/download))

Source : Publicare, Ergänzende Produkte > Infektschutz > Atemschutzmasken > Atemschutzmaske FFP2 mit Ventil ([Internet, 2020-11-06](https://publicare.ch/de/produkt/atemschutzmaske-ffp2-mit-ventil))

Source : Swiss National COVID-19 Science Task Force, Übersicht über verschiedene Maskentypen, ihren Aufbau, Qualitätskriterien, Verwendung, Test und Zertifizierungsmethoden, 2020-09-24, S. 2 ([Internet, 2020-10-30](https://ncs-tf.ch/de/policy-briefs/clarification-on-face-mask-types-architecture-quality-handling-test-and-certification-procedures-14-oct-20-en-2/download))

USG: übliche Kurzform

Source : Swiss National COVID-19 Science Task Force, Die verschiedenen Arten von Schutzmasken, 2020-10-14 ([Internet, 2020-10-30](https://ncs-tf.ch/images/lay_summaries/de/Die_verschiedenen_Arten_von_Schutzmasken.pdf))

DOM: pandemia di COVID-19; EXP: valvola di cui alcune mascherine (principalmente FPP3) dispongono per espirare più facilmente

Source : SUVA, Come riconoscere le maschere di protezione delle vie respiratorie FFP2 o FFP3 a norma ([Internet, 2020-10-30](https://www.suva.ch/it-CH/materiale/Sched-tematiche-factsheet/come-riconoscere-le-maschere-di-protezione-delle-vie-respiratorie-ffp2-o-ffp3-a-norma-suva))

Source : IT, Istituto Superiore di Sanità ISS, Covid-19 e ristorazione, come comportarsi al bar o al ristorante, 2020-05-30 ([Internet, 2020-11-10](https://www.iss.it/covid-19-primo-piano/-/asset_publisher/yX1afjCDBkWH/content/covi-19-e-ristorazione-come-comportarsi-al-bar-o-al-ristorante))

USG: forma ridotta corrente

Source : UFSP, Malattie > Malattie infettive: focolai, epidemie e pandemie > Insorgenze e epidemie attuali > Coronavirus > Mascherine ([Internet, 2020-10-30](https://www.bag.admin.ch/bag/it/home/krankheiten/ausbrueche-epidemien-pandemien/aktuelle-ausbrueche-epidemien/novel-cov/masken.html))

DOM: COVID-19 pandemic

Source : Swiss National COVID-19 Science Task Force, Clarification on face mask types, architecture, quality, handling, test and certification procedures, 2020-09-24, p. 2 ([Internet, 2020-10-30](https://ncs-tf.ch/en/policy-briefs/clarification-on-face-mask-types-architecture-quality-handling-test-and-certification-procedures-14-oct-20-en/download))

Source : Swiss National COVID-19 Science Task Force, Clarification on face mask types, architecture, quality, handling, test and certification procedures, 2020-09-24, p. 1 ([Internet, 2020-10-30](https://ncs-tf.ch/en/policy-briefs/clarification-on-face-mask-types-architecture-quality-handling-test-and-certification-procedures-14-oct-20-en/download))

DOM: pandemia da COVID-19; EXP: ventil integrà en tschertas mascrinas (per il solit mascrinas FFP3) per facilitar la respiraziun

Source : Chanzlia chantunala dal Grischun, Servetsch da translaziuns, 2020

USG: furma curta usitada

Source : Chanzlia chantunala dal Grischun, Servetsch da translaziuns, 2021