Abstract
Declared as a pandemic on March 11, 2020, COVID -19 has made it essential for the entire world to control and ensure safety measures for such infections in the future. To take any measures, one must be sure of the route of transmission of the agent causing Pandemic. With so many controversies in its mode of spread, COVID-19 has raised questions for the researchers to confirm its various modes of spread. Many of these modes can be overlooked; it is necessary to emphasize and illustrate them. The aim of this paper is to provide a brief overview of the various modes of COVID-19 transmission. According to the published literature, COVID-19 is primarily transmitted from person to person through oral and respiratory aerosols, with droplets from the virus-infected environment playing a minor role in disease transmission. The infection is particularly dangerous for healthcare workers and the elderly with comorbidities.
Highlights
Respiratory tract infections caused by viruses have emerged as a leading cause of death and morbidity worldwide [1], with COVID-19 taking a huge toll of human life and representing an enormous economic and disease burden
SARS-CoV-2 and the associated coronavirus disease 2019 (COVID-19) pandemic have been shown to be transmitted through respiratory droplets and direct contact with an infected person [2], but its transmissibility through airborne transmission or indirect contact via contaminated inanimate surfaces is still debated [3]
Face shield, or standing at least 6 feet away from other people should be enough to prevent transmission if COVID-19 is primarily transmitted through respiratory droplets, contrary to which if the virus is spread by aerosols it can remain in the environment for an extended period of time wearing a surgical mask would be insufficient, face shields can only have limited defense and maintaining 6 feet distance would not protect you from the virus particles carried by air currents
Summary
Respiratory tract infections caused by viruses have emerged as a leading cause of death and morbidity worldwide [1], with COVID-19 taking a huge toll of human life and representing an enormous economic and disease burden. SARS-CoV-2 and the associated coronavirus disease 2019 (COVID-19) pandemic have been shown to be transmitted through respiratory droplets and direct contact with an infected person [2], but its transmissibility through airborne transmission or indirect contact via contaminated inanimate surfaces is still debated [3]. Scientific experts believe that SARS-CoV-2 is an airborne virus that can be spread by viral aerosols [4]. Infectious viral aerosols will hang around in the air for a long time. SARSCoV-2 can live for up to 16 hours in the air, according to reports, which is why continuous successful air purification is recommended. Common areas, waiting rooms, offices, restrooms, and elevators all pose a major risk of airborne transmission
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