Kianoush Jahanpour said on Thursday 63 patients died of the virus in the past 24 hours, increasing the death toll to 7,627.
He also confirmed 2,258 new cases of COVID-19 infection, raising the totall number of cases to 143,849.
The spokesman said 2,543 patients are currently in severe condition of the disease.
So far, 876,492 COVID-19 tests have been taken across the country, according to Jahanpour.