Nishiura H, Ito K, Anzai A, Kobayashi T, Piantham C, Rodríguez-Morales AJ. Relative Reproduction Number of SARS-CoV-2 Omicron (B.1.1.529) Compared with Delta Variant in South Africa. J Clin Med Res. 2021;11(1). doi:10.3390/jcm11010030
Ito K, Piantham C, Nishiura H. Relative instantaneous reproduction number of Omicron SARS-CoV-2 variant with respect to the Delta variant in Denmark. J Med Virol. Published online December 30, 2021. doi:10.1002/jmv.27560
UK Health Security Agency. SARS-CoV-2 Variants of Concern and Variants under Investigation in England – Technical Briefing 31. UKHSA; 2021. Accessed January 18, 2022. https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1042367/technical_briefing-31-10-december-2021.pdf
World Health Organization. Enhancing Response to Omicron SARS-CoV-2 Variant: Technical Brief and Priority Actions for Member States, Update #5. WHO; 2022. Accessed January 18, 2022. https://www.who.int/docs/default-source/coronaviruse/2022-01-07-global-technical-brief-and-priority-action-on-omicron—corr2.pdf?sfvrsn=918b09d_23
Jansen L, Tegomoh B, Lange K, et al. Investigation of a SARS-CoV-2 B.1.1.529 (Omicron) Variant Cluster – Nebraska, November-December 2021. MMWR Morb Mortal Wkly Rep. 2021;70(5152):1782-1784.
Brandal LT, MacDonald E, Veneti L, et al. Outbreak caused by the SARS-CoV-2 Omicron variant in Norway, November to December 2021. Euro Surveill. 2021;26(50). doi:10.2807/1560-7917.ES.2021.26.50.2101147
Active epidemiological investigation on SARS-CoV-2 infection caused by Omicron variant (Pango lineage B.1.1.529) in Japan: preliminary report on infectious period. Accessed January 18, 2022. https://www.niid.go.jp/niid/en/2019-ncov-e/10884-covid19-66-en.html
Siddiqui ZK, Chaudhary M, Robinson ML, et al. Implementation and Accuracy of BinaxNOW Rapid Antigen COVID-19 Test in Asymptomatic and Symptomatic Populations in a High-Volume Self-Referred Testing Site. Microbiol Spectr. 2021;9(3):e0100821.