The announcement was made by the Kano State Ministry of Health in a tweet via its Twitter account on Monday.
The Minister also confirmed that the State recorded three new cases of the viral infection.
The tweet read: “COVID19 Kano update as at 11:33pm 31st May 2020.
“A total of 4,735 samples of COVID19Kano were tested.
“3 new cases of COVID19 has been confirmed in the state.
“40 additional COVID19Kano patients were discharged with 2 additional deaths recorded.
“Residents are advised to adhere to social distancing rules and stay safe.”