The COVID-19 pandemic presents huge challenges. A newly emerged virus to which the world’s inhabitants has no immunity, coupled with the rapid movement of individuals across the globe, has set the stage for an outbreak of proparts not seen within the final century.
For an infection with this virus to happen, it must come into contact with the eyes, nose, or mouth. This occurs when droplets produced by an infected person (through talking, coughing or sneezing), land on the face of another person. These infectious droplets can journey up to 6 feet, 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. Subsequently, 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 publicity to infectious droplets. However, face masks shortages are occurring because of interruptions in the provide chain, which is deeply rooted in China and disrupted by the pandemic. Some health care workers have been forced to resort to scarves and bandannas in a last-ditch try to protect themselves while providing care. Even when plentiful, face masks should not without problems. Once they become wet from the humidity in exhaled air, they lose effectiveness. In addition, some individuals touch their face more usually to adjust the masks, which increases the risk of infection if the hands are contaminated.
Fabric masks, although better than nothing, have been shown to be less protective than medical-grade face masks.
We believe that face shields provide a greater solution. There are various types, but all use clear plastic materials connected to a headpiece to cover the eyes, nostril and mouth, thereby preventing infectious droplets from contacting these areas the place the virus can enter the body. They cover more of the face than masks and prevent the wearer from touching their face. Importantly, face shields are durable, will be cleaned after use, reused repeatedly, and for many people are more comfortable than face masks. Because these shields are reusable and are diversified throughout the supply chains of multiple industries, the present supply is less limited than for face masks. They'll even be made at home with objects from office provide and craft stores.
Every health care worker wants a face shield for protection at work. While face masks are nonetheless wanted in some situations, implementation of face shields will tremendously reduce the need for face masks and extend the limited nationwide provide of masks. Engineers have produced designs for face shields which are in the public domain, and fabrication at scale is comparatively simple. To make sure that every health care worker has a face shield, production will need to ramp up to meet the demand by current manufacturers and recruitment of additional factories. Because the design is easy, huge rapid production would not be difficult.
As soon as the health care workdrive is provided, distribution to the general public ought to begin, with a goal to provide a face shield to each individual within the country. It needs to be worn anytime an individual leaves their house, while in any public place, and even at work. Though shelter-at-home approaches are wanted to "bend the curve" of this pandemic, the ensuing societal disruption limits the time that political leaders are willing to sustain such measures. As soon as every person is shielded, however, reducing restrictions on movement would carry less risk. Common shielding could reduce reliance on social distancing since infectious droplets can't reach the face of vulnerable individuals. Handwashing, nevertheless, would stay essential to maintain folks from infecting themselves with virus discovered on the palms after touching contaminated surfaces.
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