Media reports say that Japanese restaurant chain operator Skylark has closed 120 outlets in northeastern Japan following an outbreak of dysentery.
Skylark on Wednesday suspend operations at the 120 "Gusto" outlets, mostly in the Tohoku region, which was hit by the March 11 earthquake and tsunami, the Nikkei daily said.
The move came after 15 people in four northeastern prefectures, including Fukushima and Miyagi, were diagnosed as having bacterial dysentery, of whom, 14 had dined at "Gusto," local media reports said.
Skylark officials could not be immediately reached for confirmation.
Health ministry official Ayumu Ishimaru confirmed the outbreak of infectious disease involving the Skylark restaurant chain but said the ministry has yet to be informed in detail.