Brief Facts about COVID-19 (SARS-CoV-2)
Journal Title: Journal of Surgery Research and Practice - Year 2021, Vol 2, Issue 1
Abstract
Coronaviruses are a group of related viruses that cause diseases in mammals and birds. In humans, coronaviruses cause respiratory tract infections that can range from mild to lethal. Mild illnesses include some cases of the common cold, while more lethal varieties can cause SARS, MERS and COVID-19. The outbreak was identified in Wuhan, China, in December 2019, declared to be a Public Health Emergency of International Concern on 30th January 2020 and recognized as a pandemic on 11th March 2020. Coronaviruses are the subfamily Orthocoronavirinae, within the family of Coronaviridae, order Nidovirales and realm Riboviria. They are enveloped viruses with a positive-sense single-stranded RNA genome and a nucleocapsid of helical symmetry. The genome size of coronaviruses is approximately from 26 to 32 kilobases. Coronaviruses were first discovered in the 1930s and Human coronaviruses were discovered in the 1960s. The earliest ones studied were from human patients with the common cold, which were later named human coronavirus 229E and human coronavirus OC43. Other human coronaviruses have since been identified, including SARS-CoV in 2003, HCoV NL63 in 2004, HKU1 in 2005, MERS-CoV in 2012 and SARS-CoV-2 in 2019. Most of these have involved serious respiratory tract infections.
Authors and Affiliations
Sorush Niknamian
Keywords
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- EP ID EP698901
- DOI http://dx.doi.org/10.46889/JSRP.2021.2103
- Views 94
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