The Nigeria Centre for Disease Control (NCDC) on Sunday reported 79 new cases of COVID-19, the lowest since April 27, when 64 cases were reported.
The 79 new cases were reported in only 13 states, though reports suggest more states have joined Kogi in the refusal to collect test samples.
The update from NCDC showed that six more deaths were recorded with the total death toll now standing at 1,082.
The total number of confirmed cases in Nigeria is 56,256 with 44,152 patients discharged.
Lagos State recorded the highest number of new cases, reporting 30, while Kaduna State reported 17. Ogun State had seven new cases.
In Anambra State, five new cases were reported, four in Kano State, three each Federal Capital Territory (FCT), Katsina and Akwa Ibom states.
Oyo and Rivers states had two each, while Delta, Plateau and Ondo states had one each.