A worker operates a fogging machine to kill mosquito larvae to fight the spread of dengue fever and other mosquito-borne diseases in Kathmandu, Nepal on September 5. Photo: VCG

A record-breaking 44,000 people have been infected with mosquito-borne dengue in Pakistan this year, a senior health official said Wednesday, as increased outbreaks linked to rising temperatures and erratic rainfall ravage other parts of Asia.

Rana Safdar, a senior official at the National Institute of Health, told AFP the figure is a huge leap from the ­previous record of 27,000 infections in 2011.

Safdar said 66 people had been killed by the disease so far in 2019, compared to 370 in 2011.

He blamed climate change for the surge, but would not elaborate. The government was "employing all available resources at its disposal to contain the problem," he said.

The highest number of patients was recorded in the capital Islamabad and neighboring garrison city of Rawalpindi, where 12,433 people were found infected with the virus.

Dengue is transmitted mainly by the Aedes Aegypti mosquito, which thrives in densely populated tropical climates and breeds in stagnant pools of water. 

Mosquitoes pick up the virus from infected humans - even asymptomatic ones - and pass it along to other people through bites.

Infections have steadily climbed across the globe since the 1970s due to rising temperatures and irregular monsoon rains linked to climate change, which allow for ideal mosquito breeding conditions.  

But this year outbreaks have rampaged through Southeast Asia in particular, infecting hundreds of thousands, killing hundreds, and crippling health care systems as governments struggle to contain the untreatable virus.

Dubbed "breakbone fever," it inflicts sufferers with intense flu-like symptoms: severe headache, pain behind the eyes, full-body aches, high fever, nausea, vomiting, swollen glands or rash.