CHANGSHA, Nov. 20 (Xinhua) -- Eight students from a vocational school have been diagnosed with tuberculosis in Taojiang County, central China's Hunan Province, the second outbreak reported in the county.

Authorities with the provincial health and family planning commission said Monday the first infection case was found in the vocational secondary school on Oct. 12.

As of Sunday, a total of eight cases had been reported in the school, said an official with the commission.

All of the infected have been quarantined for treatment.

This is the second tuberculosis outbreak in Taojiang County. Last week, 29 students in the county's No.4 middle school were diagnosed with tuberculosis, along with five other suspected cases at the school.

Three of the infected cases have recovered, according to the commission.