Face masks, a careful protection (+Infographic)

The use of a face mask can help prevent the spread of Covid-19, but if it is not used properly, it can be counterproductive, because if people touch your face with contaminated hands, it is more likely to be infected, warn specialists.

In the current pandemic, worldwide there is controversy about who should wear masks, but the World Health Organization (WHO) recommends them only for people with symptoms to protect their environment and, to the medical personnel who attend to the sick by the coronavirus to avoid being infected.

Hospital masks or N-95 masks are useful, but for medical personnel who are in contact with patients with Covid-19, Dr. Gabriela García, a virologist from the UNAM School of Medicine, and Óscar Sosa agreed , specialist in epidemiology, in an interview with 24 HOURS.

The general population that has to go out to work, go to the supermarket or use transportation can use cloth ones, added Sosa.

“The face mask serves as a physical barrier that prevents the passage of large particles, but it does not prevent the passage of micro particles, so in this pandemic the use of this works, it protects the nose and mouth; but a disadvantage would be the discomfort of bringing it, because there are those who are not used to using it and then when removing it and putting it on, there is a risk of touching the part that traps the particles, this in turn could generate a contagion, ”explained the virologist Garcia.

“For people who walk the streets, because they have to go to work or go out to buy food, the use of homemade face masks is useful,” García agreed.

“There are people who are asymptomatic to the coronavirus, but they can begin to transmit the disease, so the use of a face mask would help reduce contagion, preventing the virus from spreading, however, the disadvantage is that it does not completely prevent contagion and you have to know how to manipulate it,” warned Sosa.

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“To use them, we must first wash our hands and put on the elastic face mask and adjust it from the seams; do not touch my face during the time that I wear it, since we can get contaminated; To remove the mask, it must be from the elastic and discard it, ”said the epidemiologist.

Regarding the call made by the health authorities in Mexico so that the entire population does not use masks, Sosa considered that people use them to go out without having symptoms buy face masks for hospital use or N-95 masks , ignoring that with the necessary care an N-95 has a life of 40 hours of continuous use and people only give it two to four hours of life.

"Then the most convenient thing for this type of people is the use of cloth face coverings, because this way the supplies for hospital use will be used by health personnel who are in contact with those infected by Covid -19," said the epidemiologist.

GM to make masks

Reuters

The Mexican unit of the automaker General Motors will begin the monthly production of 1.5 million masks at one of its plants in the center of the country at the end of April, to help deal with the coronavirus contingency, the company reported in a statement .

The initial goal is to manufacture some 9 million surgical masks in its complex in the State of Mexico in the next six months, to donate a part to public hospitals located in the places where the brand has operations and another to employees and distributors. leg

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