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Shorter serial intervals in SARS-CoV-2 cases with Omicron BA.1 variant compared with Delta variant, the Netherlands, 13 to 26 December 2021.
Backer, Jantien A; Eggink, Dirk; Andeweg, Stijn P; Veldhuijzen, Irene K; van Maarseveen, Noortje; Vermaas, Klaas; Vlaemynck, Boris; Schepers, Raf; van den Hof, Susan; Reusken, Chantal Bem; Wallinga, Jacco.
  • Backer JA; Center for Infectious Disease Control, WHO COVID-19 reference laboratory, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands.
  • Eggink D; Center for Infectious Disease Control, WHO COVID-19 reference laboratory, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands.
  • Andeweg SP; Center for Infectious Disease Control, WHO COVID-19 reference laboratory, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands.
  • Veldhuijzen IK; Center for Infectious Disease Control, WHO COVID-19 reference laboratory, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands.
  • van Maarseveen N; Saltro Diagnostic Center for Primary Care, Utrecht, The Netherlands.
  • Vermaas K; Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, the Netherlands.
  • Vlaemynck B; Saltro Diagnostic Center for Primary Care, Utrecht, The Netherlands.
  • Schepers R; SYNLAB, Heppignies, Belgium.
  • van den Hof S; SYNLAB, Heppignies, Belgium.
  • Reusken CB; Center for Infectious Disease Control, WHO COVID-19 reference laboratory, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands.
  • Wallinga J; Center for Infectious Disease Control, WHO COVID-19 reference laboratory, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands.
Euro Surveill ; 27(6)2022 02.
Article in English | MEDLINE | ID: covidwho-1883863
ABSTRACT
The SARS-CoV-2 Omicron variant has a growth advantage over the Delta variant because of higher transmissibility, immune evasion or shorter serial interval. Using S gene target failure (SGTF) as indication for Omicron BA.1, we identified 908 SGTF and 1,621 non-SGTF serial intervals in the same period. Within households, the mean serial interval for SGTF cases was 0.2-0.6 days shorter than for non-SGTF cases. This suggests that the growth advantage of Omicron is partly due to a shorter serial interval.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Topics: Variants Limits: Humans Country/Region as subject: Europa Language: English Journal subject: Communicable Diseases Year: 2022 Document Type: Article Affiliation country: 1560-7917.Es.2022.27.6.2200042

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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Topics: Variants Limits: Humans Country/Region as subject: Europa Language: English Journal subject: Communicable Diseases Year: 2022 Document Type: Article Affiliation country: 1560-7917.Es.2022.27.6.2200042