Protection

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Standards and efficiency of masks: it’s all a question of size !

Standards and efficiency of masks: it’s all a question of size !

What’s this about? We have talked several times about the effectiveness of masks in protecting against Covid-19. These include type 1 or 2 surgical masks, FFP1, FFP2 and FFP3, FMP1, FMP2 and FMP3 and alternative category 1 or 2 masks! All the more so since these masks meet different standards whose criteria do not always…

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The history of medical masks: why did we switch from reusable to disposable masks? Was it the right choice?

The history of medical masks: why did we switch from reusable to disposable masks? Was it the right choice?

What’s this all about? The pandemic at Covid-19 seems to be going away. For us scientists, it has revealed a very large number of lessons: how to deal with such an emerging virus? what pathogenicity? (small gripette or very serious disease?) ; what treatment (hydroxychloroquine, paparacetamol, remdesivir?); reliability of the viral diagnostic test (30% false…

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How to measure the real efficiency of a respiratory protection mask?

How to measure the real efficiency of a respiratory protection mask?

What’s this all about? We have already talked in this blog about the different masks filtering aerosols. In this period of so-called “deconfinement”, masks are more and more in demand. It is now well understood that the wearing of masks by caregivers, professionals in contact with the public or people moving around in the street…

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Masks in epidemics: towards a paradigm shift?

Masks in epidemics: towards a paradigm shift?

Abstract Let us take advantage of the lessons learned during this unprecedented pandemic, which could be long-lasting, to change our convictions, to question our truths in terms of protecting men and women in general and people who, because of their job, their function or their responsibilities are, on a daily basis, exposed to the risks…

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Comparative measurements of the efficacy of 2 PPE garments against pesticides sprays

Comparative measurements of the efficacy of 2 PPE garments against pesticides sprays

1- What is it about? In all areas, standards make it possible to measure the conformity of a product to a given use. This is the case, of course, of the ISO 27065 standard which determines the performance requirements for protective clothing to be worn by operators applying pesticides (phytosanitary) and for re-entry workers (those…

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Thermophysiological tolerance of CBRN underwear

Thermophysiological tolerance of CBRN underwear

Some professionals require CBRN protection even though they are already equipped with PPE that specifically protects them in the performance of their job: this is the case for deminers, (EOD Explosive Ordnance Disposal), firefighters exposed to toxic fumes, helicopter pilots or fighter pilots. Ouvry has developed an undergarment that can be worn underneath normal equipment…

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Protecting farmers

Protecting farmers

Farmers are subject to particular health risks, the main ones being accidental risks (machines…), physical constraints (noise, vibrations…), plant protection products, respiratory problems, biological agents and psychosocial risks (suicide). The handling of chemicals by farmers is undoubtedly an important activity of their profession and we will be particularly interested in personal protective equipment to protect…

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How to protect yourself in the case of chemical events of terrorist or accidental origin?

How to protect yourself in the case of chemical events of terrorist or accidental origin?

The main risks We have often talked on this blog about chemical events that have occurred accidentally or as a result of a terrorist attack Among these events, the sarin gas attack in the Tokyo metro is one of the most studied. The attack was carried out on 20 March 1995 and was initiated by…

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The explosive risk: CBRNe or CBRNE?

The explosive risk: CBRNe or CBRNE?

As already mentioned, the former acronym BCN (Bacteriological, Chemical, Nuclear) has evolved towards the acronym BCRNe (Biological, Chemical, Nuclear, explosive) to better reflect the paradigm shift, state threat vs. terrorist threat the “e” meaning explosive, considered as a vector for the diffusion of a BCRN agent. Given the evolution in the number of operational missions…

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