The COVID-19 pandemic presents monumental challenges. A newly emerged virus to which the world’s population has no immunity, coupled with the rapid movement of individuals throughout the globe, has set the stage for an outbreak of proportions not seen in the final century.
For an infection with this virus to happen, it should come into contact with the eyes, nose, or mouth. This occurs when droplets produced by an contaminated person (via speaking, coughing or sneezing), land on the face of another person. These infectious droplets can travel up to 6 toes, 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 infection to occur. Subsequently, the important thing to avoiding infection is to have these areas of the face covered.
In hospitals, face masks and goggles are typically used to stop publicity to infectious droplets. Nonetheless, face masks 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 forced to resort to scarves and bandannas in a last-ditch try and protect themselves while providing care. Even when plentiful, face masks will not be without problems. As soon as they grow to be wet from the humidity in exhaled air, they lose effectiveness. In addition, some people touch their face more usually to adjust the masks, which will increase the risk of infection if the arms 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 many types, however all use clear plastic material connected to a headpiece to cover the eyes, nose 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 stop the wearer from touching their face. Importantly, face shields are durable, may 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 availability chains of multiple industries, the current provide is less limited than for face masks. They can 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 wanted in some situations, implementation of face shields will greatly reduce the need for face masks and prolong the restricted 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 every health care worker has a face shield, production will need to ramp up to meet the demand through current producers and recruitment of additional factories. Because the design is simple, large fast production wouldn’t be difficult.
Once the health care workpressure is provided, distribution to the public should begin, with a goal to provide a face shield to every individual in the country. It needs to be worn anytime a person leaves their home, while in any public place, and even at work. Although shelter-at-house approaches are wanted to «bend the curve» of this pandemic, the ensuing societal disruption limits the time that political leaders are keen to maintain such measures. Once every person is shielded, however, reducing restrictions on movement would carry less risk. Universal shielding may reduce reliance on social distancing since infectious droplets can’t reach the face of susceptible individuals. Handwashing, however, would stay essential to maintain folks from infecting themselves with virus found on the fingers after touching contaminated surfaces.
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