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Cashins & Associates Blog

Small Exhaled Airborne SARS-CoV-2 Particles and Infection

Posted by Robert Cashins on Thu, Aug, 06, 2020 @ 08:08 AM

One of the most common concerns produced by the SARS-CoV-2 pandemic is the ability of airborne particles (with a diameter <30 microns) to cause an infection. It has been widely debated whether these particles pose a significant risk, especially in enclosed spaces.

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Topics: Coronavirus

An Introduction to Viruses & Bacteria

Posted by Eileen Watkins on Thu, Jun, 18, 2020 @ 16:06 PM

SARS-Co-V-2, the virus that is responsible for the current Covid-19 pandemic, is one of approximately 1400 infectious agents that can cause human disease. These infectious agents are also called human pathogens. They are responsible for a wide range of illnesses, from the typically innocuous common cold to deadly diseases like Tuberculosis and Ebola. There are 6 types of pathogens: viruses, bacteria, fungi, protozoa, helminths, and prions. This article focuses on viruses and bacteria, the most “popular” pathogens. How are they alike? How do they differ from each other?

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Topics: Coronavirus

Return To Work - Localized General Exhaust Ventilation and COVID-19

Posted by Robert Cashins on Tue, Jun, 09, 2020 @ 13:06 PM

People are concerned about returning to work in an environment that may expose them to the Coronavirus. To minimize their concern, companies are considering a variety of changes that will potentially reduce the spread of the virus. Inhalation of droplets from coughing or sneezing is thought to be the major route of exposure. Social distancing can alleviate the exposure to large droplets (>5 microns) and the inhalation of those large droplets. Cloth masks and surgical masks provide limited if any protection.

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Topics: exhaust ventilation, Coronavirus

Disinfecting to Prevent the COVID-19 Virus

Posted by Eileen Watkins on Tue, May, 26, 2020 @ 12:05 PM

The Covid-19 pandemic has prompted many people to think about ways to reduce their risk – or their company’s risk - of contracting this disease or spreading it to others.  An earlier article on this blog shared that infected individuals expel virus particles when they sneeze, cough, or simply breathe normally.  We become infected when we inhale these airborne virus particles. 

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Topics: Coronavirus

AIRBORNE TRANSMISSION OF CORONAVIRUS

Posted by Robert Cashins on Fri, Apr, 24, 2020 @ 11:04 AM

The airborne transmission of viable small droplets and droplet nuclei well beyond 6’ has not been discussed as much as social distancing and hazards associated with sneezing and coughing. There are frequent reports of Covid 19 cases or clusters of cases where the source was not known. Asymptomatic people breathing/talking are likely one source that must be considered. They unknowingly release fine particles as liquid droplets or dried droplet nuclei. Those particles travel great distances and can cause infection if inhaled.

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Topics: Coronavirus

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