Author: Lindstrom, J. C.; Engebretsen, S.; Kristoffersen, A. B.; Ro, G. O. I.; Palomares, A. D.-L.; Engo-Monsen, K.; Madslien, E. H.; Forland, F.; Nygard, K. M.; Hagen, F.; Wiklund, O.; Gantzel, G.; Frigessi, A.; de Blasio, B. F.
Title: Increased transmissibility of the B.1.1.7 SARS-CoV-2 variant: Evidence from contact tracing data in Oslo, January to February 2021 Cord-id: z2c4pp93 Document date: 2021_3_30
ID: z2c4pp93
Snippet: We use data from contact tracing in Oslo, Norway, to estimate the relative transmissibility of the new SARS-CoV-2 lineage B.1.1.7. Within households, we find an increase in the secondary attack rate by 60% (20% 114%) compared to other variants. In general, we find a significant increase in the estimated reproduction number of 24% (95% CI 0% - 52%), or an absolute increase of 0.19 compared to other variants.
Document: We use data from contact tracing in Oslo, Norway, to estimate the relative transmissibility of the new SARS-CoV-2 lineage B.1.1.7. Within households, we find an increase in the secondary attack rate by 60% (20% 114%) compared to other variants. In general, we find a significant increase in the estimated reproduction number of 24% (95% CI 0% - 52%), or an absolute increase of 0.19 compared to other variants.
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