They were in close contact with the State Governor, Bala Mohammed, whose case had earlier been confirmed.
The State’s Commissioner for Health, Dr. Aliyu Maigoro, disclosed this in a situation update while addressing newsmen in Bauchi, the state capital on Thursday.
The 27 persons who came in contact with Governor Mohammed were earlier placed on compulsory self-isolation.
The isolation covers a minimum of 14 days each is to determine their coronavirus status.
Gov. Mohammed tested positive to COVID-19 following contact with former Vice President’s son, Mohammed Atiku Abubakar, who is currently receiving treatment at Gwagwalada hospital in Abuja.