One of the officials of the High Council for Public Health (HCSP) recommends avoiding certain less filtering fabric masks in the face of the circulation of the British variant of the coronavirus, which is more contagious.

These recommendations will be transmitted to the Ministry of Health, free to follow them or not. 

Faced with the circulation in France of the British variant of the coronavirus, which is more contagious, the High Council for Public Health (HCSP) recommends avoiding certain less filtering fabric masks, one of its officials said on Monday.

"On the occasion of the penetration into Europe of certain new variants (...) that are more transmissible, while the modes of transmission have not changed, the question arises of the category of masks that can be offered in the general population, "said on BFM TV Didier Lepelletier, co-chair of the HCSP Covid-19 working group.

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The working group of this advisory body drew up its new recommendations this weekend to send them to the Ministry of Health, he said.

Preferred category 1 reusable fabric masks 

The medical officer of health and public health described as "a good thing in this period" the fact of "wearing a reusable cloth mask of category 1, rather than masks of category 2 which filter a little less well, or even manufactured masks in a traditional way where there is no control over their performance which is achieved ".

According to the standards developed by Afnor, category 1 masks filter 90% of particles, while category 2 masks block only 70%.

"Category 1 fabric masks, supplied by manufacturers, validated by the General Directorate of the Armed Forces, in terms of performance, are as effective as surgical masks", assured Professor Lepelletier.

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On the other hand, he judges that the use of FFP2 masks, filtering at least 94% of aerosols, in the general population "is not necessarily a good thing because we will not be able to control" that they are "well worn. "and" adapted to the morphology of the face ".

The Minister of Health is free to ignore the advice of the HCSP

The HCSP working group also insists in its recommendations on ensuring a safety distance of 2 meters and not 1 meter between each person.

"On the occasion of the December notices on shops or the end of year celebrations, we actually went to these 2 meters. The penetration of new variants (...) is perhaps the occasion to formalize these 2 meters, "he said.

The Ministry of Health can choose whether or not to follow the advice of the HCSP.

"These are opinions which are scientific and which are intended to inform health policy decision-making", underlined Professor Lepelletier.