The lazaretto chapel was used as burial palce during the plague of 1576 , when the cemeteries where no longer sufficient for the burial of plague victims. The year of construction is unknown but the chapel underwent several renovations and changes to the to the saints depicted inside the chapel, the last of which was in the 1980s, by the Comotti family, who returned the last painting to us, Mary, Baby Jesus, and Saints Peter and John.