An unprecedented act undoubtedly, now is the time to show solidarity and we thank our friend Igor Silva who, since the state of New Jersey, teaches us to make a homemade mouthpiece, we all have to pay attention to the small details and taking care of each other. others undoubtedly an admirable contribution from Igor when taking the time to provide a help to the whole world with a tutorial.

The World Health Organization posted on April 6, 2020 this important information:

Mask type

WHO emphasizes that it is essential that medical masks and respirators are prioritized by health professionals, the use of masks made from other materials (for example, cotton fabric), also known as non-medical masks, in the community has not been well evaluated, there is no current evidence to make a recommendation for or against its use in this configuration.

WHO is collaborating with research and development partners to better understand the effectiveness and efficiency of non-medical masks, WHO is also strongly encouraging countries that issue recommendations for wearing masks to healthy people in the community to conduct research on this critical topic, WHO will update its guidelines when new evidence becomes available.

Advice on the use of masks in the context of COVID-19: provisional guidance

In the meantime, decision makers can move forward with advising on the use of non-medical masks. In this case, the following features related to non-medical masks should be taken into account:

• Fabric / fabric layer numbers

• Breathability of the material used

• Water repellency / hydrophobic qualities

• Mask shape

• Mask adjustment

Everyone should:

• avoid groups of people and closed and crowded spaces;

• maintain a physical distance of at least 1 m from others

people, particularly those with respiratory problems

symptoms (for example, coughing, sneezing);

• perform hand hygiene frequently, using an alcohol-based product.

rub your hands if your hands are not visibly dirty or with soap and water

when hands are visibly dirty;

• cover your nose and mouth with a bent elbow or paper

coughing or sneezing, dispose of the tissue

immediately after use and perform hand hygiene;

• refrain from touching your mouth, nose and eyes.

In some countries, masks are used according to local customs or according to the guidelines of national authorities in the context of COVID-19. In these situations, best practices should be followed on how to use, remove and dispose of them and for hand hygiene after removal.

Advice to decision makers on the use of masks for healthy people in community settings

As described above, the widespread use of masks by healthy people in the community is not supported by current evidence and brings uncertainties and critical risks. WHO offers the following advice to decision-makers to apply a risk-based approach.

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