By François NR RENAUD, honorary professor The explosion in the port of Beirut, on August 4, 2020, of 2,750 tons of ammonium nitrate, which destroyed a large part of the Lebanese capital, invites us to remember the usefulness of this product but also its drawbacks and in particular its explosive aspect. History The spectre of…
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Prof. François NR Renaud, Scientific Advisor The Covid-19 outbreak brings us into the mysterious world of vaccines. It has to be said that an effective vaccine against the Sars-Cov-2 virus would be of great use in the fight against the new coronavirus. By the way: What is a vaccine? An “antigen” or, better yet, an…
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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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In this blog, we followed the Covid-19 outbreak by analyzing its beginning and its evolution from China, then the means of protection such as masks (history of masks, masks for medical use, other masks such as OCOV and measurements of its capacities), the means of disinfection of the coronavirus, treatments (by approaching the modes of…
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What can be observed The number of deaths due to the disease and counted on a daily basis is decreasing; The general excess mortality has reversed; The R0 (number of people infected by a sick person) is almost everywhere less than 1 (1 sick person infects less than 1 person) so the outbreak is regressing…
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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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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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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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As the Covid-19 pandemic is still spreading across our territory, we will be looking at the various treatments currently being tested and potentially capable of stopping the progression of the disease in humans. The disease The surprising thing about Covid-19 is the extreme variability of the disease. Classic clinical signs appear after an incubation period…
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The COVID-19 pandemic is spreading inexorably across the planet and nearly 3 billion people are confined. The SARS-CoV-2 virus is spreading from person to person via respiratory droplets. We are therefore applying strict barrier measures to limit the number of contaminations, particularly among the elderly, among whom the virus claims the most victims. As in…
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