tuberculosis mass infection in prison, 15 infected

14 prisoners and 1 ex-prisoner infected tuberculosis
from 30 years old to 60 years old
They are not serious conditions
12 prisoners are symptomless

a man in his forties the onset of pulmonary tuberculosis in Mar
public health center investigated the infection in May, Oct
found 2 men
a man in his fifties, a man in his forties
(only one is ex-prisoner, a man in his forties consulted a doctor at Kanagawa prefecture in Aug)

in 2009
2 prisoners infected tuberculosis
but Abashiri prison not announced the tuberculosis because of no mass infection
http://www.excite-webtl.jp/world/english/web/?wb_url=http%3A%2F%2Fmainichi.jp%2Fhokkaido%2Fshakai%2Fnews%2F20101123ddr041040005000c.html&wb_lp=JAEN&wb_dis=2