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Throughout the pandemic, many new types of face coatings have emerged, each promising to keep people away from coronavirus. As new cropped masks, experts would be eitherGuarantee for face covering or explain why hewould not work against COVID-19. But there is a mask that health professionals have always warned people to avoid: valve masks. In fact, masks with valves are so risky that the Mayo clinic in Arizona isDo not allow patients inside If they wear them.

Many people took the valve masks because they are more breathable, allowing the air to cross the vent. However, the very thing that makes them attractive is also what makes them harmful. According toThe Republic of Arizona,Kai Singbartl, MD, the presidency of infection prevention and control at the Mayo Clinic, said these masks "overcome the goal" because "they are unfiltered". The air that escapes through the vent could also carry viral droplets, which puts other people at risk.

Romin Kristine, MD, told the newspaper ", in a sterile domain, they are absolutely forbidden because it allows the air not filtered and expired." Romin is a doctor at Camelback dermatology and skin surgery, another place where the valve masks are prohibited in Arizona.

Not only may the Mayo clinic forbids people to wear valve masks in their hospital - an entire county has also prohibited. The mandate of the Mask of Maricopa County explicitly says that the valve masks do not respect their requirements. ThroughThe Republic of ArizonaThe mask mandates in Yuma, Pima and Santa Cruz have similar stipulations.

Although the valve mask can protect the wearer, he puts on other people at risk.Rajiv Garg, MD, Directorate General for Health Services in India, wrote a letter to emphasize that the use ofValved respirator masks "Is detrimental to the measures adopted to prevent the propagation of coronavirus because it does not prevent the virus from escaping the mask."

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Nikhil Modi, MD, explained toIndian expression that "when you exhale, the expired air comes out of the n-95 mask valve. If the person carrying such a mask is infected, the Covid-19 virus can spread through the air expired in the atmosphere, this which increases the risk of other people's contamination. So, in a way, it fails to coronavirus control strategies. "

Mask mandates will continue to evolve as an understanding of the virus experts and various face coatings evolve. In the meantime, one thing we know with certainty is that wearing a mask with a valve is pretty much useful for those around you, because do not wear mask at all. And for more masks to avoid,This is the facial mask the CDC does not want you to wear.