Shorter serial intervals in SARS-CoV-2 cases with Omicron BA.1 variant compared with Delta variant, the Netherlands, 13 to 26 December 2021-Reference-Cited by-同舟云学术

Shorter serial intervals in SARS-CoV-2 cases with Omicron BA.1 variant compared with Delta variant, the Netherlands, 13 to 26 December 2021

Published:2022-02-10 Issue:6 Volume:27 Page:
ISSN:1560-7917
Container-title:Eurosurveillance
language:en
Short-container-title:

Author:

Backer Jantien A¹^ORCID,Eggink Dirk¹^ORCID,Andeweg Stijn P¹^ORCID,Veldhuijzen Irene K¹^ORCID,van Maarseveen Noortje²³,Vermaas Klaas³^ORCID,Vlaemynck Boris⁴,Schepers Raf⁴,van den Hof Susan¹^ORCID,Reusken Chantal BEM¹^ORCID,Wallinga Jacco⁵¹^ORCID

Affiliation:

1. Center for Infectious Disease Control, WHO COVID-19 reference laboratory, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands

2. Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, the Netherlands

3. Saltro Diagnostic Center for Primary Care, Utrecht, The Netherlands

4. SYNLAB, Heppignies, Belgium

5. Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands

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.

Publisher

European Centre for Disease Control and Prevention (ECDC)

Subject

Virology,Public Health, Environmental and Occupational Health,Epidemiology

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