According to several specialists, airing your home several times a day would, in the same way as washing your hands and wearing a mask, limit the risk of contracting Covid-19.
Ventilate your interior regularly to fight against the transmission of SARS-CoV-2 by aerosol. If in France, this measure is not yet part of the barrier gestures alongside the wearing of a mask, the systematic washing of hands or the respect of a distance of one meter between individuals, the idea is gaining more and more popularity. way abroad.
Starting with Germany, which has just added ventilation to the barrier gestures to combat the new coronavirus. “It is one of the cheapest and most effective solutions” to combat SARS-CoV-2 infection, said Chancellor Angela Merkel.
Decrease the concentration of the virus in the air
In France, more and more experts are also pleading for the ventilation of the habitat to be considered as a barrier measure, in the same way as the wearing of a mask. This is particularly the case of Dr. Anne Casetta, head of the hospital hygiene service at Cochin hospital in Paris. Asked by The Parisianshe believes that“opening the windows wide reduces the concentration of viruses in the air”. “We know that contamination depends on the infectious dose. The more it is diluted, the lower the risk of being infected. Part of the virus goes outside”she continues.
“Airing the rooms reduces the risk, abounds on European 1 Jean-Paul Stahl, professor of infectious diseases at the Grenoble University Hospital. We will never eradicate the risk, at least not until we have a vaccine. The challenge is therefore to reduce it as much as possible so that there are as few people infected as possible.
Ventilate twice a day for 15 minutes
How to ventilate your home and how often? In a document posted online by the Ministry of Healthit is recommended “to ensure, whatever the context, a regular renewal of air in all enclosed spaces by means of ventilation (opening of windows, etc.) and/or natural or mechanical ventilation”.
The authorities therefore recommend carrying out “regular ventilation by opening the openings wide (windows, etc.) at least for 10 to 15 minutes twice a day”but also to ventilate the rooms “in the event of a visit to the home of a person at risk of a serious form of Covid-19”.
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