Alliance for Pandemic Preparedness

May 18, 2021

Serial Interval of COVID-19 and the Effect of Variant B.1.1.7 Analyses from a Prospective Community Cohort Study (Virus Watch)

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  • [Pre-print, not peer-reviewed] The mean interval between exposure to COVID-19 and the development of symptoms was 3.2 days, according to an analysis of 186 likely infector-infectee pairs in England and Wales. The mean serial interval in individuals belonging to households in regions and belonging to study weeks classified as having a high percentage of infections due to the B.1.1.7 variant was not statistically different from regions without a high prevalence of the variant of concern.

Geismar et al. (May 17, 2021). Serial Interval of COVID-19 and the Effect of Variant B.1.1.7 Analyses from a Prospective Community Cohort Study (Virus Watch). Pre-print downloaded May 18 from https://doi.org/10.1101/2021.05.17.21257223