{"id":11048,"date":"2020-04-01T09:00:00","date_gmt":"2020-04-01T12:00:00","guid":{"rendered":"https:\/\/blog.mindthegraph.com\/?p=11048"},"modified":"2022-10-18T08:09:50","modified_gmt":"2022-10-18T11:09:50","slug":"plastic-bottles-cuttlery-contaminated-places","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/fr\/bouteilles-en-plastique-cuttery-contaminated-places\/","title":{"rendered":"Coronavirus collants : les bouteilles en plastique et les couverts peuvent \u00eatre les endroits les plus contamin\u00e9s de votre maison"},"content":{"rendered":"

L'int\u00e9r\u00eat r\u00e9cent pour la transmission des coronavirus d\u00fb \u00e0 la pand\u00e9mie de Covid-19 a motiv\u00e9 plusieurs chercheurs sp\u00e9cifiques avec une traduction pertinente dans notre vie quotidienne. L'article intitul\u00e9 La stabilit\u00e9 des a\u00e9rosols et des surfaces du SRAS-Cov2, publi\u00e9e r\u00e9cemment dans le New England Journal of Medicine. <\/a> nous apprend quelque chose de tr\u00e8s pertinent : combien de temps le coronavirus Covid-19 reste-t-il \"vivant\" apr\u00e8s avoir quitt\u00e9 le corps d'un patient infect\u00e9 ?<\/p>\n

La r\u00e9ponse d\u00e9pend du type de mat\u00e9riau. Les graphiques ci-dessous montrent la quantit\u00e9 de virus trouv\u00e9e dans les surfaces pendant les heures suppl\u00e9mentaires. Cette quantit\u00e9 est appel\u00e9e \"titre\" du virus et est utilis\u00e9e pour calculer la demi-vie, c'est-\u00e0-dire le temps qu'il faut pour que le titre du virus tombe \u00e0 la moiti\u00e9. La vitesse de d\u00e9croissance nous donne une id\u00e9e de la \"viabilit\u00e9\" du coronavirus Covid-19 sur chaque surface. Moins il est viable, mieux c'est.... pour nous, pas pour eux.<\/p>\n

Les auteurs rapportent avoir test\u00e9 la demi-vie viable du virus en a\u00e9rosol (imitant la s\u00e9cr\u00e9tion \u00e9pel\u00e9e lors d'un \u00e9ternuement), dans du cuivre, du carton, de l'acier inoxydable et du plastique.<\/p>\n\n\n\n

\"Dur\u00e9e
Dur\u00e9e de vie en surface du coronavirus Covid-19 en a\u00e9rosol, cuivre, carton, acier inoxydable et plastique.<\/figcaption><\/figure>\n\n\n\n

Selon les donn\u00e9es rapport\u00e9es, le coronavirus Covid-19 \u00e9tait plus stable sur le plastique et l'acier inoxydable que sur le cuivre et le carton, et un virus viable a \u00e9t\u00e9 d\u00e9tect\u00e9 jusqu'\u00e0 72 heures apr\u00e8s l'application sur ces surfaces.<\/p>\n

La demi-vie du virus viable est d'environ 1h dans l'a\u00e9rosol ou le cuivre, de 3h dans le carton et de plus de 5h dans les surfaces en acier inoxydable et en plastique.<\/p>\n

La conclusion est que les bouteilles en plastique de votre r\u00e9frig\u00e9rateur ou les couverts peuvent \u00eatre le meilleur endroit pour que le virus se fixe, si un membre de votre famille est contamin\u00e9 de mani\u00e8re asymptomatique et infecte les autres sans le savoir. Le meilleur conseil est de ne plus partager ces objets avec les autres, par pr\u00e9caution.<\/p>\n

Une autre conclusion non \u00e9vidente est que le sac en plastique du supermarch\u00e9 est probablement plus dangereux que la bo\u00eete \u00e0 pizza en carton du livreur... ce n'est qu'une supposition, mais je pense que c'est logique.<\/p>\n\n\n\n

\"\"<\/p>\n

Dans les surfaces ordinaires utilis\u00e9es pour transporter les articles, le coronavirus Covid-19 ne reste pas viable apr\u00e8s 24h. Ainsi, lorsque vous revenez de l'\u00e9picerie, du supermarch\u00e9 ou de la pharmacie, il peut \u00eatre utile de laisser les sacs (ou mieux, les bo\u00eetes) sans surveillance pendant une journ\u00e9e et de revenir plus tard. C'est probablement beaucoup plus s\u00fbr, et particuli\u00e8rement utile, si vous ne voulez pas porter de gants et nettoyer chaque article que vous avez ramen\u00e9 \u00e0 la maison.<\/p>\n

Une autre conclusion importante est que le coronavirus Covid-19 se propage probablement plus que les virus pr\u00e9c\u00e9dents de la m\u00eame classe en raison de facteurs intrins\u00e8ques \u00e0 sa nature, notamment des charges virales \u00e9lev\u00e9es dans les voies respiratoires sup\u00e9rieures et la possibilit\u00e9 pour les personnes infect\u00e9es par le SRAS-CoV-2 d'excr\u00e9ter et de transmettre le virus alors qu'elles sont asymptomatiques.  <\/p>\n

Ainsi, bien que le coronavirus Covid-19 adh\u00e8re \u00e0 certaines surfaces, le plus grand danger est clairement le contact direct avec des personnes contamin\u00e9es. Le coronavirus ne reste pas viable longtemps dans l'a\u00e9rosol, mais parfois, la proximit\u00e9 d'une personne suffit. Faites attention \u00e0 la personne qui tousse sans masque et ne vous approchez pas pour lui demander si elle est positive. Cela n'a pas d'importance, Mieux vaut \u00eatre prudent et pratiquer l'isolement social pour pr\u00e9venir la transmission du coronavirus.<\/a>. D'accord ?<\/p>\n

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