2021
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Beta
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Gamma
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Alpha
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Delta
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Detailed explanation-1: -COVID-19 is caused by a new form of coronavirus known as SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2). It was first reported in December 2019.
Detailed explanation-2: -The UK Health Security Agency ( UKHSA ) has released a new variant technical briefing detailing updated analysis of epidemiological and genomic data relating to SARS-CoV-2 variants currently circulating in the UK, including the XBB. 1.5 variant which has been increasing in the US in recent months.
Detailed explanation-3: -Since mid-December 2022, most COVID-19 infections in the UK have been the Omicron variant BQ.1, a sub-lineage of BA.5, and BA2.75 or it’s sub-lineages.
Detailed explanation-4: -Alpha (B.1.1.7) was the first of the highly publicized variants.