Alliance for Pandemic Preparedness

November 19, 2020

Secondary Attack Rate of COVID-19 in Household Contacts in the Winnipeg Health Region, Canada

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  • Analysis using data from a public health surveillance database including residents of the Winnipeg Health Region of Canada estimated a household secondary attack rate of 14.7%. Out of 279 contacts from 102 primary cases in unique households, 41 contacts from 25 households became secondary cases within 14 days of exposure to the primary case.

Wilkinson et al. (Nov 17, 2020). Secondary Attack Rate of COVID-19 in Household Contacts in the Winnipeg Health Region, Canada. Canadian Journal of Public Health. https://doi.org/10.17269/s41997-020-00451-x