"The clinical picture of Berlusconi is currently calm and encouraging," the physician quotes RIA Novosti.
According to him, the politician has a mild form of pulmonary infection, he "is not intubated and breathes naturally."
Zangrillo explained that hospitalization was necessary because Berlusconi is considered a high-risk patient.
It is expected that he will stay in the hospital for several days.
On Wednesday, September 2, Zangrillo announced the detection of COVID-19 in Berlusconi.
He noted that the disease goes away without symptoms.