Alliance for Pandemic Preparedness

September 23, 2020

Seroprevalence of SARS-CoV-2 Significantly Varies with Age: Preliminary Results from a Mass Population Screening

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  • A cohort study including 509 people in Milan, Italy found an IgG seroprevalence for SARS-CoV-2 was 23% and was positively associated with increasing age. The authors note that the lower seroprevalence among children could be due to lower exposure to the infection among school age children because schools were among the first institutions to be closed in Italy, starting on March 5.

Pagani et al. (Sept 19, 2020). Seroprevalence of SARS-CoV-2 Significantly Varies with Age: Preliminary Results from a Mass Population Screening. Journal of Infection. https://doi.org/10.1016/j.jinf.2020.09.021