Bangladesh has reported over 308,900 COVID-19 cases and more than 4,200 deaths, according to the Johns Hopkins university data.
A total of 29 people died from coronavirus infections in the last 24 hours, pushing the number of fatalities to 1,997, said Dr Nasima Sultana.
The Cabinet Division issued a notification, mentioning "the restriction will continue from July 1 to August 3. Weekly holidays will also be under the purview of the restrictions."
A total of 17,527 samples were tested at 59 authorised labs in the country in the same period, 22.87 per cent of which returned positive results, the bdnews reported.
They include 45 areas in Dhaka, 11 in Charttogram and several Upazilas in Narayanganj, Gazipur, and Narsingdi, bdnews24 said in a report on Sunday.
The death toll due to the coronavirus climbed to 650 while the positive cases rose to 47,153 after 2,545 fresh COVID-19 cases, the highest in a single day, recorded on Sunday, health authorities said.
CAAB spokesman Mohammad Sohel Kamruzzaman said the suspension on international flights has been extended to June 15.
Bangladesh first declared a nationwide holiday from March 26 to April 4 while the country confirmed the first coronavirus death on March 18, ten days after the detection of the first three cases.
Remdesivir has recently been authorised by the US for emergency use in the treatment of COVID-19 patients.
Readymade garments, pharmaceutical, and export-oriented industries are allowed to open if they follow social distancing measures and government guidelines.
Bangladesh also recorded two more deaths from the novel coronavirus in the last 24 hours, taking the total death count as well as recoveries to 177.
The infections have baffled the authorities as the temple has been closed to outsiders since the first COVID-19 case was reported in Bangladesh on March 8.
The government has also decided not to allow more than 12 people in mosques for Ramzan evening prayers as the coronavirus outbreak continues to escalate.
To curb the spread of the novel coronavirus, the government initially declared a general holiday on March 26 for 10 days.
According to the DGHS tally, the total number of the COVID-19 cases in the country has surged to 2,948.