(CNN) More than a third of residents in an elder care home near Milan died in less than a month during the coronavirus pandemic, a spokesperson for the facility has revealed.

Sara Aragno told CNN on Wednesday that 63 out of 150 residents at Borromea Residence, a care home in the Mediglia municipality, had died since early March.

The first of the 63 deaths at the home happened on March 3, in the earlier stages of Italy's battle with a coronavirus outbreak that has now killed more than 13,000 people in the country.

Local Mediglia newspaper Eco di Bergamo features several pages of obituaries in its March 17 edition.

It is not known how many of these 63 residents had been infected with the coronavirus, because only 36 residents have been tested. All 36 tested positive but not all have died. No postmortem tests have, or will be, carried out, Aragno said. However, doctors might find out more from their clinical records.

Mediglia, a village of 12,000 people in the northern Lombardy region, is geographically very close to the original coronavirus cluster reported in the country.

Read More