Early evidence of SARS-CoV-2 in Milan, Jan-Feb 2020.
Gregorio P MilaniGiovanni CasazzaAntonio CorselloPaola MarchisioAlessia RocchiGiulia ColomboCarlo Virginio AgostoniGiorgio CostantinoPublished in: Italian journal of pediatrics (2021)
This study suggests that SARS-CoV-2 might have spread in Milan before February 21, 2020 with a minor trend among children.