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Transmission and Transmissibility of SARS-CoV-2: What We Know and What We Not



Hiba Sami1, Mohammad Shahid2, *, Parvez Anwar Khan1, Haris M Khan1
1 Department of Microbiology, Faculty of Medicine, Jawaharlal Nehru Medical College, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
2 Department of Microbiology, Immunology & Infectious Diseases, College of Medicine & Medical Sciences, Arabian Gulf University, Kingdom of Bahrain


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Creative Commons License
© 2021 Sami et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: (https://creativecommons.org/licenses/by/4.0/legalcode). This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Microbiology, Immunology & Infectious Diseases, College of Medicine & Medical Sciences, Arabian Gulf University, Kingdom of Bahrain; Tel: 35620631:
E-mail: mohammeds@agu.edu.bh


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.

Keyword: COVID-19, Modes of transmission, Safety measures, Airborne, Repository aerosols, Transmission.