Greta says: "The maternal branch of my family is from the Island of Giglio [an island of the Tuscan Archipelago, Editor's Note]. The general practitioner of the island, Dr. Armando Schiaffino, and my mother Prof. Paola Muti, epidemiologist, had noticed that no cases of COVID-19 had arisen on the island during the pandemic period. This was a strange result, not only for the contagiousness of SARS-CoV-2, but also because several cases of contagion had occurred in Giglio before the decree of distancing: the virus had therefore had the opportunity to spread in the population on various occasions". The few positive test subjects all came from outside: some of them had been in contact with the islanders, but none of the inhabitants had fallen ill. Why? "Is it possible that the Giglio population had previously been exposed to SARS-CoV-2 or other Coronaviruses and was therefore resistant to infection? To answer this question, my mother, a university professor, proposed to the Tuscany Region a study of the prevalence of SARS-CoV-2 infection in the population of the island".
The study aims to test the presence of specific antibodies that could explain the apparent collective resistance to viral infection.
“My specific interest was related to understanding if and how the inhabitants were sensitized about this topic, and what were the reasons that led them to join the study. In the initial phase of the study, I drafted the forms to be filled in for data collection, and helped in the practical organization of the conduct of the study. We are currently processing the data while we wait for the saliva samples to be analyzed. "