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International Journal of Public Health and Clinical Sciences (IJPHCS)
Open Access e-journal ISSN : 2289-7577

RISK OF REACTIVATION OR REINFECTION OF NOVEL CORONAVIRUS: A STUDY BASED ON CASE REPORTS

Md Shahin, Manzurul Haque Khan, Irin Hossain, Ashekur Rahman Mullick

Abstract


Coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus. Most people who fall sick with COVID-19 will experience mild to moderate symptoms and recover without special treatment. The virus that causes COVID-19 is mainly transmitted through droplets generated when an infected person coughs, sneezes, or exhales. These droplets are too heavy to hang in the air, and quickly fall on floors or surfaces. Someone can be infected by breathing in the virus if you are within close proximity of someone who has COVID-19, or by touching a contaminated surface and then your eyes, nose or mouth. In December 2019, a pneumonia outbreak was reported in Wuhan, China. On 31 December 2019, the outbreak was traced to a novel strain of coronavirus, which was given the interim name 2019-nCoV by the World Health Organization (WHO), later renamed SARS-CoV-2 by the International Committee on Taxonomy of Viruses. As of 26 July 2020, there have been at least confirmed deaths and more than 16,055,909 confirmed cases in the COVID-19 pandemic. The Wuhan strain has been identified as a new strain of Beta-coronavirus from group 2B with approximately 70% genetic similarity to the SARS-CoV. The virus has a 96% similarity to a bat coronavirus, so it is widely suspected to originate from bats as well. The pandemic has resulted in travel restrictions and nationwide lockdowns in many countries.

Key words: Reactivation, Reinfection, Novel Coronavirus


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