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Browsing: Germ Security

‘The Swiss Cheese Model For Combating Covid-19 Multiple Layers of Pandemic Defense.’ appeared in the print edition of the Wall Street Journal November 14, 2020, Written by Nicholas A. Christakis, MD, PhD, MPH,  a social scientist and physician at Yale University who conducts research in the fields of network science, biosocial science, and behavior genetics. Dr. Christakis is the author of “Apollo’s Arrow: The Profound and Enduring Impact of Coronavirus on the Way We Live” The Swiss Cheese Model to dealing with the Coronavirus Recent author of a book The Arrow about living with Pandemics. We summarized his article below. …

A newly released study in the academic journal Annals of Internal Medicine casts more doubt on policies that force healthy individuals to wear face coverings. To conduct the study, which ran from early April to early June, scientists at the University of Copenhagen recruited more than 6,000 participants who had tested negative for COVID-19 immediately prior to the experiment. Half the participants were given surgical masks and instructed to wear them outside the home; the other half were instructed to not wear a mask outside the home. Roughly 4,860 participants finished the experiment. 42 people in the mask group, or…

  Before you exercise outside, assess your risk. Wearing a mask can feel pretty claustrophobic. Walking through the grocery store rebreathing your own hot breath is not a pleasant sensation. Now, imagine running with it. We know by now that wearing a mask in certain circumstances is important. The Centers for Disease Control and Prevention (CDC) currently recommends wearing a cloth face covering in public settings where social distancing measures are hard to maintain to slow the spread of the virus. But should runners wear face masks outside? The answer: it depends. First, assess your surroundings. The most important thing…

A private Florida company, Healthe Lighting is offering a system to disinfecting people who walk through a framed doorway that uses Ultra Violet light. The cleansing takes about as long as going a scan at the airport. For UVC light is a lower spectrum of UV light that can isn’t harmful to humans that was recently developed at Columbia University and holds great promise to kill airborne pathogens such as the COVID-19.  See related story entitled: Far UVC Light Kills Airborne Viruses that describes a technology developed at Columbia University. Fox news reporter Liz Clayman. Interviews the co-founder and Chief…

The development of a UVC light technology at Columbia could be breakthrough in curtailing spread of COVID-19 in indoor public places. The technology, developed by Columbia University’s Center for Radiological Research, uses lamps that emit continuous, low doses of a particular wavelength of ultraviolet light, known as far-UVC, which can kill viruses and bacteria without harming human skin, eyes and other tissues, as is the problem with conventional UV light. It can be safely used in occupied public spaces, and it kills pathogens in the air before people breathe them in. Scientists have known for decades that germicidal UV light…