In a press briefing on Friday, Sima-Sadat Lari said the virus has killed 325 patients since Thursday noon, raising the overall death toll to 31,985.
So far, she added, 446,685 patients have recovered from the disease or been discharged from the hospital.
Lari said 4,933 patients are also in critical conditions caused by more severe infection.
The spokeswoman noted that 4,658,727 COVID-19 tests have been taken across the country so far.
She said the high-risk “red” zones include Tehran, Qom, Mazandaran, East Azarbaijan, Isfahan, Yazd, Ardabil, Khorasan Razavi, Khuzestan, Hamadan, West Azarbaijan, Bushehr, Chaharmahal and Bakhtiari, Kohgiluyeh and Boyer-Ahmad, Alborz, Lorestan, Markazi, Ilam, South Khorasan, Kermanshah, North Khorasan, Semnan, Gilan, Zanjan, Qazvin, Kurdistan, and Kerman provinces.
The “orange” and “yellow” zones also include Golestan, Hormozgan, Fars, and Sistan and Baluchestan provinces, she added.