There is no specific treatment for the virus, and sufferers are generally asked to rest, drink plenty of fluids and take medications. Above: With Bach Mai Hospital rooms filled patients are pushed to hallways.

Year to date, the city of Hanoi has logged nearly 14,000 cases of dengue with 14 deaths. Above: Congested Dong Da Hospital makes use of available overflow space for patient care outside of rooms.

Above: Patients at the Dong Da Hospital lay two and sometimes three to a bed.

A similar overflow situation exists at the Thanh Nhan Hospital where patients lay two to a bed in the corridors.

Above: The situation puts undue stress on patients and medical staff.

Pictured: Two patients share one bed at the Dong Da Hospital.

Pictured: Three patients share one bed at the Bach Mai Hospital.

Dr Do Duy Cuong at the Bach Mai Hospital says it has implemented a strategy to free up beds, which includes providing home support care and only admitting the most severe cases.

Dr Cuong says the most common complication of dengue fever is renal and liver damage. Above: He examines a patient at Bach Mai Hospital, which is admitting up to 1,000 people daily.

Meanwhile Hanoi city workers continue fogging throughout wards nightly during the hours of 1am-5am to kill mosquitoes and larvae, which are largely responsible for the spread of dengue fever.