The man, who has been named only as “Mr P,” was admitted to hospital in Rimini, northeast Italy, last week after testing positive for Covid-19 and left the hospital on Thursday.
Lisi said his “truly extraordinary” recovery gave “hope for the future.”
“Mr P made it. The family brought him home yesterday evening. To teach us that even at 101 years the future is not written,” she said.
Rimini had registered 1,189 cases of coronavirus as of Thursday, according to the Italian Civil Protection Department.
According to figures from Johns Hopkins University, there have been 80,589 confirmed cases of coronavirus in Italy and 8,215 deaths.