Covid-19: effective air purifiers to get rid of viral particles


If the government has evolved on the issue of air purifiers, Jean-Michel Blanquer recalled Sunday that they are not “the alpha and omega” of the response to the health crisis.

Whether in a business or in a classroom, opening the window to ventilate a room is not always easy. This is why in October 2020, the Scientific Council evoked the need for“Reflection on alternative measures such as air purifiers, as the Germans recommend”, especially in schools. These devices rid the air of fine particles and in particular aerosols which can carry the virus. There are different processes: filtration, ultraviolet treatment or photocatalysis.

Among those convinced, LR president of Auvergne-Rhône-Alpes, Laurent Wauquiez, announced in October to mobilize 10 million euros to install in schools in his region air purifiers equipped with Hepa filters (for “High-efficiency particulate air”, capable of filtering at least 99.97% of particles with a diameter greater than or equal to 0.3 microns). What to equip in priority the canteens, known places of propagation of the virus.

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