Forty dengue patients, the highest in the last six months, were hospitalised in a single day across the country till Saturday morning, according to the Directorate General of Health Services (DGHS).
Thirty-nine of the new patients were admitted to different hospitals in Dhaka while only one was admitted to a hospital outside the capital.
A total of 115 dengue patients, including 111 in the capital, are now undergoing treatment at hospitals across the country.
According to the DGHS, 730 patients have so far been diagnosed with dengue this year.
So far, 615 dengue patients have been released from hospitals after recovery.
The directorate has not yet reported any death from the mosquito-borne disease.
Dengue - a leading cause of serious illness and death in some Asian and Latin American countries - was first reported in Bangladesh in 2000 and it claimed 93 lives. In the next three years, the fatality number gradually fell to almost zero.
However, 105 dengue patients, including 95 in the Dhaka division, died in 2021.