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That is why mouthwash does not stop the coronavirus



But mouthwash is unlikely to be a pandemic solution or even a personal personal protection plan.

This is because many things can kill a virus on contact, but they will not stop the source of the virus.

“Yes. There is some evidence – I’m not saying this is great data – that the blank filling inactivates or inhibits coronavirus replication,” said Dr Graham Snyder, an associate professor in the Department of Infectious Diseases at the University of Pittsburgh School of Medicine. in front of CNN.

Alcohol, chlorhexidine, hydrogen peroxide and a number of other compounds can kill viruses on contact or shortly thereafter.

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But none of the studies recently published on prepress servers show they can reduce the risk of catching or transmitting the virus, Snyder said.

Inside the human body, the virus multiplies constantly in the upper respiratory tract – in the nose, sinuses, throat, bronchi and lungs.

“It’s still in your nose, in the fluid in your vocal cords, and in your lungs,” said Dr. Donald Milton, who studies virus transmission at the University of Maryland.

“All of these, and especially the vocal cords and the pulmonary airways, are major sources of the virus in the air,” Milton told CNN.

“You can’t sterilize your mouth

“When we exhale, cough, sneeze or whatever, the virus can come from any of these places,” Snyder said.

While the use of mouthwash or some kind of mouthwash could theoretically reduce the amount of virus or bacteria in someone’s mouth in a short period of time, it is not possible to sterilize a human mouth and any germ will grow back for quite a short time.

“You can’t sterilize your mouth. It will never be completely pathogen-free,” Snyder said.

“Using these mouthwashes will not significantly stop the disease process. The virus will continue to replicate.”

Maryland has received

The same goes for ultraviolet light, “Snyder said. While UV light from any source – the sun, a solar lamp or many of the anti-coronavirus devices hitting the market – can kill the virus on surfaces, they cannot enter the human body. and they can’t stop landing more viruses later, and they can’t stop someone from exhaling more viruses seconds after they’ve been irradiated.

Mouthwash or other disinfectants will also do little to prevent someone from inhaling the virus, said Dr. Leana Wen, an emergency physician and visiting professor of health policy and management at George Washington University School of Public Health.

Hand sanitizer in the nose?

“The virus can enter our respiratory system in two ways. It can enter through contact, for example, if you touch a door handle that has just been touched by someone who has a coronavirus, then touch your nose, mouth or eyes,” he said. Wen.

“It can also be entered by inhalation when you breathe the same air as someone infected. Washing your mouth or nose will not prevent you from inhaling the virus. But wearing a mask does – as well as maintaining a good physical distance.”

If sunlight kills the coronavirus, why not try UV lamps?

Wen said he recently had to explain why applying Purell to the nose – something that sounds uncomfortable and dangerous as well as useless – would not protect anyone from infection.

This is such a weak theory that even Johnson & Johnson, manufacturers of Listerine mouthwash, have explicitly warned consumers against the idea.

“Listerine mouthwash has not been tested against any strains of coronavirus,” the company said on its website.

“Only some Listerine mouthwashes contain alcohol, even if there is only about 20% alcohol. Listerine mouthwash is not intended for use, nor would it be useful as a hand sanitizer or surface disinfectant.”


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