A new study by researchers at Penn State College of Medicine has found that a common dental object can inactivate human coronaviruses: mouthwash and oral reins.
For the study, the results of which were published in the Journal of Medical Virology, researchers tested various oral and nasopharyngeal rinses – including a 1% solution of baby shampoo, a neti pot, peroxide sore-mouth cleanser, and mouthwash – that To determine how well they inactivated the human coronavirus.
The infant shampoo solution, “often used by head and neck doctors to rinse the sinuses,” the researchers noted in a news release about the findings, was particularly effective; “More than 99.9% of human coronaviruses resolve after two minutes of contact time,” he said.
Mouthwash and oral reins were also effective, they found: “Many inactive viruses exceed 99.9% after only 30 seconds of contact time and some inactive 99.99% viruses after 30 seconds.”
Film continues to be used after practice, relates to study at good pressure, study room
More specifically, the researchers used a test to “replicate virus interactions in the nasal and oral cavities and with mouthwash,” because the nasal and oral cavities are considered the main points of entry for human coronaviruses. Including SARS-CoV. -2, better known as COVID-19. Although researchers did not specifically test SARS-CoV-2 in the study, the novel virus is genetically similar to other human coronaviruses tested, leading researchers to speculate that the results would be similar.
A strain of human coronavirus was mixed with “baby shampoo solution, various peroxide antiseptic rinses and mouthwash of different brands”, allowing the virus to resolve for different times, including 30 seconds, one minute and two minutes. The solution was then diluted “to prevent further virus inactivation”, he wrote.
“To measure how inactive the virus was, the researchers placed the diluted solution in contact with human cells. They counted how many cells survived for a few days after exposure to the viral solution and that number was used to calculate the amount of human coronavirus that had been inactivated as a result of exposure to mouthwash or oral rinse. ” According to the news “Skip.
Agreement, study, study made by COVID-19 transmission team
Lead study author Craig Meyers, a distinguished professor of microbiology and immunology and obstetrics and gynecology, said that the amount of virus (viral load) in an infected person’s mouth can be reduced by using their normal over-the-counter products. , Ultimately helping to reduce the spread of novel viruses.
“We wait for a vaccine to be developed, requiring methods to reduce transmission,” Meyers said in a statement. “The products we tested are readily available and often part of people’s daily routines.”
The team’s findings have found in previous research that it also looked at how oral rinses and mouthwashes may be able to reduce the viral load of human coronaviruses. For example, a study published in the scientific journal Function in May also concluded that mouthwash may play a role in preventing the transmission of novel coronaviruses.
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Additionally, a more recent study published in the Journal of Infectious Diseases came to a similar conclusion. Meyers said his findings connect with this research, noting that his team “evaluated long-term exposure to salutes, in addition to studying over-the-counter products and nasal juices, which other studies Was not rated in. ”
“People who test positive for COVID-19 and return home in quarantine may possibly transmit the virus to the people with whom they live,” Meyers said. “Some professions, including dentists and other health care workers, are at constant risk of exposure. Clinical trials are needed to determine whether these products can reduce the amount of virus COVID-positive patients or high-risk patients. While talking in businesses, coughing or sneezing can spread. Even if the use of these solutions can reduce transmission by 50%, it will have a major impact. “