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Covid-19 was already circulating in Milan in early December 2019. A suspicion that has been brewing for some time and that is now confirmed by the results of a study by the State University. Announced it Gian Vincenzo Zuccotti, chairman of the Steering Committee of the Faculty of Medicine and Surgery, based on the result of a study coordinated by Professor Elisabetta Tanzi and carried out in the sub-national laboratory accredited by WHO for the surveillance of measles and rubella.
Coronavirus in a child’s swab in Milan in December 2019: the discovery of the state
The study, published in the journal Emerging Infectious Diseases, demonstrates the presence of the new Coronavirus in an oral-pharyngeal swab collected from a Milan child in early December 2019, about 3 months before the first case reported in Italy. This is a result that revolutionizes the knowledge about the spatio-temporal spread of the new coronavirus. “The idea – explains Dr. Silvia Bianchi – was to retrospectively investigate all cases of exanthematic disease identified in Milan by the measles and rubella surveillance network in
period from September 2019 to February 2020, negative results in laboratory investigations for confirmation of measles. “SARS-CoV-2 infection can, in fact, lead to Kawasaki syndrome and often common skin manifestations to other viral infections, such as Measles Initial descriptions of these symptoms associated with COVID-19 come from dermatologists in Lombardy, the first area affected by the pandemic.
The hypotheses about the spread of Covid-19 are confirmed
The hypothesis that the virus had already been circulating for weeks before the case of patient 1 from Codogno has been advanced on several occasions. The devastating impact of the infection had him wondering from the start: In fact, thousands of cases had been found in just a few days. Subsequently, the analysis of the Milan wastewater, collected in mid-December 2019, had also confirmed the presence of the virus. For Professor Antonella Amendola, in charge of the measles surveillance activity at MoRoNET (Measles and Rubella Surveillance) “the results of the study provide indications on future efforts to implement for the control of infectious diseases and on the need to implement surveillance virological at the territorial level as a priority strategy for an adequate response to pandemic emergencies ”.
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