Eight students at a vocational school in Taojiang county, Hunan province, have been diagnosed with tuberculosis, according to a statement released by the Hunan provincial Health and Family Planning Commission on Monday.

The school is the second in the county to be hit with a TB outbreak since August.

The first case at the vocational school - Taojiang Occupational Middle School - was confirmed by the county's Center for Disease Control and Prevention on Oct 12. The center subsequently tested people who had been in close contact with the patient and discovered the other cases, the statement said.