“Variant: 21K (Omicron)”. covariants.org. CoVariants (2021年11月28日). 2021年11月28日時点のオリジナルよりアーカイブ。2021年11月28日閲覧。 “Variant 21K (Omicron) appears to have arisen in November 2021, possibly in South Africa.”
Zhang, Liping; Mann, Matthew; Zulfeqhar, Syed; Reynolds, Hayley; Tian, E; Samara, Nadine; Zeldin, Darryl; Tabak, Lawrence (23 November 2021). “Furin cleavage of the SARS-CoV-2 spike is modulated by O-glycosylation”. Proceedings of the National Academy of Science of the United States of America118 (47): e2109905118. doi:10.1073/pnas.2109905118. PMID34732583.
Walls, Alexandra C.; Park, Young-Jun; Tortorici, M. Alejandra; Wall, Abigail; McGuire, Andrew T.; Veesler, David (April 2020). “Structure, Function, and Antigenicity of the SARS-CoV-2 Spike Glycoprotein”. Cell181 (2): 281–292.e6. doi:10.1016/j.cell.2020.02.058.
“Comunicate de presa” [Press Releases] (Romanian). ms.ro. Ministerul Sănătăţii (Health Ministry Romania) (2021年12月12日). 2021年12月13日閲覧。 “So far, 8 cases with the Omicron variant of the SARS-Cov-2 virus have been confirmed in Romania.”
Adetifa, Dr Ifedayo (2021年12月7日). “Three Additional Cases of Omicron Variant Confirmed”. ncdc.gov.ng. Nigeria Centre for Disease Control (NCDC). 2021年12月11日閲覧。 “In addition to the three cases announced earlier on 1st December 2021, this brings the total number of confirmed cases of the Omicron variant detected in Nigeria to six (6).”
Zhang, Liping; Mann, Matthew; Zulfeqhar, Syed; Reynolds, Hayley; Tian, E; Samara, Nadine; Zeldin, Darryl; Tabak, Lawrence (23 November 2021). “Furin cleavage of the SARS-CoV-2 spike is modulated by O-glycosylation”. Proceedings of the National Academy of Science of the United States of America118 (47): e2109905118. doi:10.1073/pnas.2109905118. PMID34732583.
الأردنية (بترا), وكالة الأنباء. “الصحة تعلن عن تسجيل أول اصابتين بمتحور أوميكرون في المملكة” [The Ministry of Health announces the registration of the first two cases of the Omicron mutant in the Kingdom]. بترا -وكالة الأنباء الأردنية. 2021年12月10日閲覧。
“Variant: 21K (Omicron)”. covariants.org. CoVariants (2021年11月28日). 2021年11月28日時点のオリジナルよりアーカイブ。2021年11月28日閲覧。 “Variant 21K (Omicron) appears to have arisen in November 2021, possibly in South Africa.”
Tracking SARS-CoV-2 variantsArchived 18 June 2021 at the Wayback Machine. (Tables: Currently designated Variants Under Monitoring -describes 529 variant as present in 'Multiple countries'- and 'Formerly monitored variants'- B.1.523 & B.1.619 Reclassified Nov 2021). www.who.int, accessed 25 November 2021
“Update on Omicron”. World Health Organization (2021年11月28日). 2021年11月30日閲覧。
Tracking SARS-CoV-2 variantsArchived 18 June 2021 at the Wayback Machine. (Tables: Currently designated Variants Under Monitoring -describes 529 variant as present in 'Multiple countries'- and 'Formerly monitored variants'- B.1.523 & B.1.619 Reclassified Nov 2021). www.who.int, accessed 25 November 2021
