Gamma variant

alternative gamma variant · alternative Gamma Variant · alternative γ variant · alternative γ-variant · alternative Γ variant · alternative Γ-variant

1. biologyThe highly virulent P.1 strain of the SARS-CoV-2 virus that causes COVID-19.

   Among 45 persons tested with variant-of-concern RT-PCR, whole-genome sequencing, or both, the Gamma variant was detected for 68.9%.

   2022 January, da Silva, Juliana F., et al., “Cluster of SARS-CoV-2 Gamma Variant Infections, Parintins, Brazil, March 2021”, in Emerging infectious diseases, volume 28, →DOI, page 262

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   Variants of concern, and in particular the gamma variant, have played an important role in the recent epidemic wave in Brazil, which began in early 2021.

   2021 August 20, Ranzani, Otavio T., et al., “Effectiveness of the CoronaVac vaccine in older adults during a gamma variant associated epidemic of covid-19 in Brazil: test negative case-control study”, in bmj, volume 374, →DOI

   The percentage of the unvaccinated population had a significant effect on the increase in ICU admissions and on the increase of omicron, alpha, delta, and gamma variant cases.

   2022 August 19, de Fátima Cobre, Alexandre, et al., “The impact of COVID-19 vaccine rejection on hospital admission and variants spread worldwide: implications for healthcare policy”, in Research, Society and Development, →DOI, page 1

   Synonyms: gamma, Brazilian variant