According to report, three staff of the Chief of Staff to the President, Abba Kyari have tested positive for Coronavirus.
Abba Kyari first tested positive for the virus on Monday, which necessitated the tests on his staff.
The Nation quoted a presidential source confirming the development on Tuesday.
The newspaper added that efforts to reach Presidential spokesmen to confirm most of the developments within the State House on Tuesday were unsuccessful as neither the Special Adviser and the Senior Special Assistant to the President on Media and Publicity, Mr Femi Adesina and Mallam Garba Shehu, respectively, was seen within the premises.
Meanwhile, a Presidential source, who sought anonymity, confirmed that all persons suspected to have been exposed to the Chief of Staff to the President have been advised to self-isolate.