Face shields are an achievable way to provide protections that COVID-19 calls for

July 2, 2020 23:15

The COVID-19 pandemic presents enormous challenges. A newly emerged virus to which the world’s population has no immunity, coupled with the speedy movement of individuals across the globe, has set the stage for an outbreak of proportions not seen in the last century.

For infection with this virus to occur, it should come into contact with the eyes, nose, or mouth. This happens when droplets produced by an contaminated particular person (through speaking, coughing or sneezing), land on the face of another person. These infectious droplets can journey up to 6 ft, which is the reason to promote social distancing. Touching a surface that is contaminated with infectious droplets and then touching one’s own eyes, nostril or mouth, is one other way for an infection to occur. Therefore, the key to avoiding infection is to have these areas of the face covered.

In hospitals, face masks and goggles are typically used to prevent exposure to infectious droplets. Nonetheless, face mask shortages are occurring because of interruptions within the supply chain, which is deeply rooted in China and disrupted by the pandemic. Some health care workers have been compelled to resort to scarves and bandannas in a final-ditch try to protect themselves while providing care. Even when plentiful, face masks are usually not with out problems. Once they develop into wet from the humidity in exhaled air, they lose effectiveness. In addition, some individuals contact their face more typically to adjust the masks, which will increase the risk of infection if the hands are contaminated.

Cloth masks, though higher than nothing, have been shown to be less protective than medical-grade face masks.

We believe that face shields provide a better solution. There are a lot of types, but all use clear plastic materials attached to a headpiece to cover the eyes, nostril and mouth, thereby stopping infectious droplets from contacting these areas where the virus can enter the body. They cover more of the face than masks and stop the wearer from touching their face. Importantly, face shields are durable, could be cleaned after use, reused repeatedly, and for many people are more comfortable than face masks. Because these shields are reusable and are diversified across the supply chains of a number of industries, the current provide is less limited than for face masks. They will even be made at residence with gadgets from office provide and craft stores.

Each health care worker wants a face shield for protection at work. While face masks are nonetheless needed in some conditions, implementation of face shields will significantly reduce the need for face masks and prolong the limited national supply of masks. Engineers have produced designs for face shields that are within the public domain, and fabrication at scale is comparatively simple. To ensure that each health care worker has a face shield, production will need to ramp up to meet the demand by present producers and recruitment of additional factories. Because the design is simple, massive rapid production would not be difficult.

Once the health care workdrive is supplied, distribution to the public ought to begin, with a goal to provide a face shield to each individual within the country. It ought to be worn anytime an individual leaves their home, while in any public place, and even at work. Although shelter-at-house approaches are needed to “bend the curve” of this pandemic, the following societal disruption limits the time that political leaders are prepared to sustain such measures. As soon as each individual is shielded, nonetheless, reducing restrictions on movement would carry less risk. Universal shielding may reduce reliance on social distancing since infectious droplets can not reach the face of susceptible individuals. Handwashing, nonetheless, would stay essential to maintain people from infecting themselves with virus found on the arms after touching contaminated surfaces.

July 2, 2020 23:15
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