positive for COVID-19. He had had contact with businessman Flavio Briatore, who had been hospitalized after contracting the virus, and with his daughter Barbara and his son Luigi, who had also tested positive. The following day, Berlusconi announced he was well and continuing to work; on the next day, 3 September, he was admitted to the San Raffaele Hospital in Milan with bilateral pneumonia. Professor Alberto Zangrillo, head of intensive care at San Raffaele Hospital, said on 11 September 2020 that Berlusconi was admitted with a very high and dangerous viral load, but that he was improving and his response to the disease had been "optimal". On 14 September, he was discharged from the hospital. Berlusconi described the COVID-19 as "the most dangerous and frightening experience" of his lifetime. In May 2021, he was once again hospitalized due to COVID-19 long-term consequences. Personal fortune In 2012, Forbes magazine reported that Berlusconi was Italy's sixth richest man, with a net worth of $5.9 billion. He holds significant assets in television, newspaper, publishing, cinema, finance, banking, insurance, and sports. Berlusconi's main company, Mediaset, operates three national television channels, which in total cover half of the national television sector; and Publitalia (it), the leading Italian advertising and publicity agency. Berlusconi also owns a controlling stake in Arnoldo Mondadori Editore, the largest Italian publishing house, whose publications include Panorama, one of the country's most popular news magazines. His brother, Paolo Berlusconi, owns and operates il Giornale, a centre-right newspaper that provides a pro-Berlusconi slant on Italian politics. Il Foglio, one of the most influential Italian right-wing newspapers, is partially owned by his former wife, Veronica Lario. After Lario sold some of her ownership in 2010, Paolo Berlusconi acquired a majority interest in the newspaper. He founded and is the major shareholder of Fininvest, which is among the largest private companies in Italy; it operates in media and finance. With Ennio Doris he founded Mediolanum, one of the country's biggest banking and insurance groups. He has interests in cinema and home video distribution (Medusa Film and Penta Film). He also owned the football club A.C. Milan from 1986 to 2017, and currently owns A.C. Monza (since 2018). Electoral history First-past-the-post elections Works by Silvio Berlusconi Honours and awards : Knight of the Order of Merit for Labour (1977–2014); Berlusconi voluntarily resigned from this order on 18 March 2014. : Knight Grand Cross of the Order