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Review

The Emerging Concern and Interest SARS-CoV-2 Variants

1
Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
2
Department of Clinical Chemistry and Biochemistry, Medical University of Lodz, 90-419 Lodz, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: Anna Honko
Pathogens 2021, 10(6), 633; https://doi.org/10.3390/pathogens10060633
Received: 16 April 2021 / Revised: 15 May 2021 / Accepted: 18 May 2021 / Published: 21 May 2021
(This article belongs to the Special Issue Feature Papers in Viral Pathogens)
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) responsible for coronavirus disease 2019 (COVID-19) was discovered in December 2019 in Wuhan, China. Since that time, the virus has spread around the world, which resulted in an announcement of the World Health Organization (WHO), dated in March 2020, that COVID-19 was a worldwide pandemic, and since then, the world has been struggling with this disease. SARS-CoV-2, similar to other RNA viruses, continually mutates, and new variants are appearing. Among large numbers of detected SARS-CoV-2 variants, only an insignificant amount of them are able to pose a risk to public health, as they are more contagious and cause more severe conditions. The emerged variants were classified by the Centers for Disease Control and Prevention (CDC) in collaboration with SARS-CoV-2 Interagency Group (SIG) according to strictly defined pattern. Variants were classified as variants of concern, variants of interest, and variants of high consequence. In the last few months, three variants of concern (B.1.1.7, B.1.351, and P.1) and four variants of interests (B.1.526, B.1.525, B.1.427/B.1.429, and P.2) were distinguished and are essential for close monitoring. This analysis summarizes the principal information concerning SARS-CoV-2 variants, such as their infectivity, severity, mutations, and immune susceptibility. View Full-Text
Keywords: COVID-19; SARS-CoV-2; mutations; variants COVID-19; SARS-CoV-2; mutations; variants
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MDPI and ACS Style

Janik, E.; Niemcewicz, M.; Podogrocki, M.; Majsterek, I.; Bijak, M. The Emerging Concern and Interest SARS-CoV-2 Variants. Pathogens 2021, 10, 633. https://doi.org/10.3390/pathogens10060633

AMA Style

Janik E, Niemcewicz M, Podogrocki M, Majsterek I, Bijak M. The Emerging Concern and Interest SARS-CoV-2 Variants. Pathogens. 2021; 10(6):633. https://doi.org/10.3390/pathogens10060633

Chicago/Turabian Style

Janik, Edyta, Marcin Niemcewicz, Marcin Podogrocki, Ireneusz Majsterek, and Michal Bijak. 2021. "The Emerging Concern and Interest SARS-CoV-2 Variants" Pathogens 10, no. 6: 633. https://doi.org/10.3390/pathogens10060633

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