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Delta (B.617.2) First identified in India in late 2020, the delta variant soon spread across the globe. It became the dominant variant of SARS-CoV-2 until the emergence of omicron in December 2021.
XEC is the latest COVID-19 variant spreading in the U.S. and Europe. Infectious disease doctors explain XEC symptoms, treatment, and prevention.
Omicron constitutes the current strain of COVID-19 in circulation. “Omicron is very contagious. That was how it out-competed the Delta variant,” Dr. Yancey says.
Variants of severe acute respiratory syndrome coronavirus 2 are viruses that, while similar to the original, have genetic changes that are of enough significance to lead virologists to label them separately. SARS-CoV-2 is the virus that causes coronavirus disease 2019 (COVID-19).
Iota variant, [1] also known as lineage B.1.526, is one of the variants of SARS-CoV-2, the virus that causes COVID-19. It was first detected in New York City in November 2020. The variant has appeared with two notable mutations: the E484K spike mutation, which may help the virus evade antibodies, and the S477N mutation, which helps the virus ...
The FLiRT strains — which include KP.2, KP.1.1 and KP.3 — now account for more than half of all COVID-19 infections nationwide, according to the latest data from the U.S. Centers for Disease ...
The SARS-CoV-2 Kappa variant is also known as lineage B.1.617.1 and was first detected in India in December 2020. [2] By the end of March 2021, the Kappa sub-variant accounted for more than half of the sequences being submitted from India. [3] On 1 April 2021, it was designated a Variant Under Investigation (VUI-21APR-01) by Public Health ...
One of them, called KP.2, has become the most commonly circulating variant in the United States over the past month, according to the U.S. Centers for Disease Control and Prevention. Here is what ...