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Esmaily Lab/Provided Visualization of a helmet designed to prevent the transmission of COVID-19 by pumping air from the mouth to the helmet s vacuum port. Helmet design protects dentists, doctors from COVID-19 January 26, 2021 Visiting the dentist or an ear, nose and throat doctor can already make patients feel uneasy, and for those who can’t wear a mask due to the nature of their procedures, the transmission of COVID-19 has become an additional concern. Researchers from Cornell have proposed a solution in the form of a transparent helmet that prevents 99.6% of virus-containing droplets exhaled by patients from reaching the environment. The helmet provides practitioners access to the patient’s nose and mouth and is connected to a filtration pump that reverses the flow of air to prevent droplets from leaving, avoiding contamination of the clinical environment. ....