Alliance for Pandemic Preparedness

May 3, 2021

Lower Household Transmission Rates of SARS-CoV-2 from Children Compared to Adults

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  • The household secondary attack rate (SAR = 0.15) among pediatric index cases under age 18 (n = 17) was significantly lower than the rate among 126 adult (SAR = 0.38) index cases, according to findings from a seroprevalence study among 150 households in Germany with at least one confirmed case of SARS-CoV-2 since June 2020. In 84 (56%) households, no transmission was detected, while in 35/150 (23%) households, all household members were seropositive. Households with children and adolescents were significantly less likely to have all seropositive household members compared to households without children.

Galow et al. (Apr 2021). Lower Household Transmission Rates of SARS-CoV-2 from Children Compared to Adults. Journal of Infection. https://doi.org/10.1016/j.jinf.2021.04.022