An emergency meeting of a 12-member medical board was held through a videoconference in this regard. Nasim’s son was present at the meeting.
Bangabandhu Sheikh Mujib Medical University (BSMMU) Vice-Chancellor Prof Kanak Kanti Barua, chief of the board, confirmed the matter.
“His condition is critical, which means it has deteriorated,” he said.
The medical board was formed on Monday.
Also read: 7-member medical board formed for AL leader Nasim
On Friday, the former minister underwent a successful surgery after his condition worsened following a stroke while undergoing treatment at Bangladesh Specialised Hospital.
A day before that, his health condition improved and he was scheduled to be shifted to a cabin from the ICU.
On June 2, Nasim tested positive for coronavirus.
Also read: Ex-Health Minister Nasim tests positive for Covid-19 after hospitalisation
Nasim has been acting as the convenor for the 14-party ruling alliance built around the heft of Awami League.
Meanwhile, the health authorities confirmed the detection of record 3,471 new coronavirus patients in the last 24 hours, raising the total number of confirmed cases to 81,523.
Covid-19 has so far killed 1,095 people in Bangladesh, including 46 people in last 24 hours, according to official data.
Also read: Coronavirus: Bangladesh sees record 3,471 cases, 46 deaths in a day