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The term variant of concern (VOC) for SARS-CoV-2, which causes COVID-19, is a category used for variants of the virus where mutations in their spike protein receptor binding domain (RBD) substantially increase binding affinity (e.g., N501Y) in RBD-hACE2 complex (genetic data), while also being linked to rapid spread in human populations ...
The CDC reported that 66% of COVID-19 cases between April 11 and 24, 2021, were caused by the alpha variant. Pfizer-BioNTech, Johnson and Johnson, and Moderna said their vaccines prevented severe ...
COVID-19 variant KP.3.1.1 is currently the dominant strain accounting for ... The CDC continues to outline the basic COVID-19 symptoms, which can appear between two to 14 days after exposure to ...
XEC is the latest COVID-19 variant spreading in Europe and the U.S. Infectious disease doctors explain XEC symptoms, ... KP.2 is related to XEC, but there are a lot of differences between them.
The Lambda variant, also known as lineage C.37, is a variant of SARS-CoV-2, the virus that causes COVID-19. [1] It was first detected in Peru in August 2020. [ 2 ] On 14 June 2021, the World Health Organization (WHO) named it Lambda variant [ 1 ] and designated it as a variant of interest . [ 3 ]
The Delta variant (B.1.617.2) was [3] [4] a variant of SARS-CoV-2, the virus that causes COVID-19. It was first detected in India on 5 October 2020. It was first detected in India on 5 October 2020. The Delta variant was named on 31 May 2021 and had spread to over 179 countries by 22 November 2021.
KP.3.1.1 is still the dominant COVID-19 variant in the United States as it accounts for nearly 60% of positive cases, but the new XEC variant is not far behind, recent Centers for Disease Control ...
Theta variant, also known as lineage P.3, [a] is one of the variants of SARS-CoV-2, the virus that causes COVID-19. The variant was first identified in the Philippines on February 18, 2021, when two mutations of concern were detected in Central Visayas . [ 1 ]
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