Serial Intervals for SARS-CoV-2 Omicron and Delta Variants, Belgium, November 19–December 31, 2021
Cécile Kremer, Toon Braeye, Kristiaan Proesmans, Emmanuel André, Andrea Torneri, Niel Hens
Abstract
We investigated the serial interval for SARS-CoV-2 Omicron BA.1 and Delta variants and observed a shorter serial interval for Omicron, suggesting faster transmission. Results indicate a relationship between empirical serial interval and vaccination status for both variants. Further assessment of the causes and extent of Omicron dominance over Delta is warranted.
Topics & Concepts
Interval (graph theory)Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)VirologyDeltaBiologyCoronavirus disease 2019 (COVID-19)Dominance (genetics)Transmission (telecommunications)2019-20 coronavirus outbreakMedicineGeneticsPhysicsMathematicsPathologyInfectious disease (medical specialty)DiseaseOutbreakCombinatoricsComputer scienceGeneAstronomyTelecommunicationsSARS-CoV-2 and COVID-19 ResearchSARS-CoV-2 detection and testingCOVID-19 epidemiological studies