Under-diagnosis of SARS-CoV-2 infections among children aged 0–15 years, a nationwide seroprevalence study, Israel, January 2020 to March 2021 Indenbaum, Victoria and Lustig, Yaniv and Mendelson, Ella and Hershkovitz, Yael and Glatman-Freedman, Aharona and Keinan-Boker, Lital and Bassal, Ravit, Eurosurveillance, 26, 2101040 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.48.2101040