In a tweet, the senator said that the premier has partially resumed official duties and is following the doctors' and international guidelines.
The development comes after former finance minister Dr Abdul Hafeez Shaikh, President Arif Alvi, and Defence Minister Pervez Khattak tested positive for the deadly virus.
President says peace cannot be restored in the region until the resolution of the Kashmir dispute
Operation "Raddul Fassad" aimed to destroy terrorist networks across the country and the entire world acknowledged Pakistan's successes in war against terrorism: Alvi