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#1 09-04-2020 05:04:51

Registered: 27-12-2019
Posts: 12

including surgical procedures and N95 masks

Medical masks do not prevent viruses. In the best case, these cloths or latex barriers may help prevent the spread of bacteria (by coughing or sneezing) when people wear them. On the other hand, a suitable N95 mask is more likely to resist viruses because it can filter 0.3 micron particles. N95 masks can only filter properly when a seal is formed around the mouth and nose. For example, health care workers who may be exposed to pathogens must undergo an N95 health test every year to ensure proper mask wearing. If you have a N95 mask at home, and you prefer to wear it in public, there is no harm in doing so. But according to the CDC, they are unnecessary.
The ubiquity of these masks in news pictures or public transportation may make you believe you need one. Readers of "Wirecutter" are disappointed with our guide to the best masks because neither Amazon nor other retailers currently have such masks. A 3M spokesperson confirmed in an email that the company is increasing production in factories around the world due to the huge demand, including factories in the United States, Asia, Europe and Latin America. A representative of Honeywell, which also manufactures N95 respiratory protective masks, pointed out the same problem.
Although you should not be nervous about the current shortage of masks, be sure to consider that if you live in an area prone to wildfires or other natural disasters, the National Institute for Occupational Safety and Health Whether the approved N95 respiratory protective mask is suitable for your emergency preparedness equipment, especially in this case. The next time you restock, you will be ready for situations where gas masks are really helpful.
We are answering questions about COVID-19 from readers of Wirecutter and how to manage it increasingly invading your daily life, starting with the most helpful or common questions we have received so far. "We will regularly update this article as new issues emerge and our common understanding of COVID-19. For guidelines on how to submit more questions, please see the comments section below.
Q: I heard that masks can prevent coronavirus because it prevents you from touching your face. is this real?
A: There are limited data that masks can help prevent coronavirus because they can prevent you from touching your face.
Physical barriers, such as surgical procedures or cloth masks, are not a "talk better than nothing" option. Dr. Eli Perensevich, a professor of internal medicine and epidemiology at the University of Iowa School of Medicine, said: "People wear masks incorrectly. Perensevich pointed out that people" put it under their nose, or Put it under your nose when eating. "Then you are polluting your face."
Medical masks are designed for single use. For those who are not used to wearing masks or do not handle masks properly, masks have a high risk of automatic infection (you touch an infected surface and then touch the front of the mask, only in your nose and virus A thin barrier is left). If you already have some of them, and you share a house with others, we recommend that you keep them in case anyone in your family gets infected. Their purpose is to protect healthy people from disease.
-Christina Colizza, research editor
Q: I am sick or taking care of patients, but I cannot find surgical masks or masks anywhere. Is there a DIY option? What should I do to protect the people who live next to me?
Answer: First of all, unless you are sick and want to prevent transmission to others, you do not need to wear a mask. If worn correctly, N95 respiratory protective masks can protect you from respiratory virus infections, but as you said, they are out of stock. Medical masks can only provide a latex barrier at most, and at worst can only provide a false sense of security, which can cause you to be infected. As a caregiver, the best thing you can do is isolate the patient, maintain good hand hygiene, and keep the distance as far as possible.
Hospital epidemiologist and infection prevention expert Dr. Saskia Popescu believes that temporary masks such as surgical masks or headscarves are not so useful for caregivers because they tend to give care A false sense of security can lead to infection. "I often see people using temporary masks. They don't need to wear masks and then don't wash their hands, keep touching their eyes all the time, and don't touch their mouths often," Popscu said. In addition, people usually remove these masks from the front rather than from the rope, whether it is a surgical operation or do it yourself, and then handle them improperly.
-Christina Colizza, research editor
Q: How about cloth masks like those sold on Amazon? Is it good to wear these masks when all surgical masks and n95s are gone?
If you are confused about the mask, you are not alone. Over the past few weeks, federal agencies, major public health agencies, individual experts, and the news media have published a lot of conflicting information. Most importantly, the term "mask" is widely used in a variety of things: medical masks, N95 respiratory protective masks approved by the National Health and Material Safety Administration (niosha), reusable cloth masks , There are even ski masks, balaclavas or DIY obstacles. The reusable cloth options function similar to surgical masks: they do not form a seal and have limited help in protecting healthy people from respiratory virus infections.
American surgeons and epidemiologists send a little confusing message that people do not need to buy or wear masks or N95 masks because) health care workers need what they do more than ordinary citizens, and b) there is no highly specialized training The use of masks can contaminate yourself or improperly handle masks. On March 10, the US Centers for Disease Control and Prevention changed its guidelines for medical staff, saying that medical masks are an "acceptable alternative" to N95 masks when treating patients with known or suspected coronavirus. (The American Nurses Association quickly wrote a letter to Congress stating that the CDC ís decision was based on scarcity, not science.) Later, other epidemiologists published an opinion article that the mask was good Yes, people should wear masks every day, not only when they are sick, but also when they want to reduce their bacterial transmission to others.
The inherent problem is that many people who have or will develop COVID-19 are asymptomatic. Those who are unaware may be spreading the virus. So, should nít everyone wear a mask just in case?
There is no clear answer yet. One thing we can be sure of: medical personnel are facing a serious shortage of personal protective equipment, including surgical procedures and N95 masks. Wholesale Protective Suit


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