A deadly dengue fever outbreak which has killed almost 400 people has spread across Indonesia, the health ministry said.

At least 30 out of 32 provinces in the country had reported cases of dengue fever to the health ministry on Monday, said Dr. Rita Kusriastuti, an official with the ministry's research department.

"At the moment, our main goal is to handle all patients and to ensure that they do not die," she told AFP.

Kusriastuti declined to give an exact figure for Monday's death toll but said that more than 390 people had died and more than 26,000 others across the archipelago had been infected with the virus since January 1.

Jakarta and other parts of densely-populated Java island have been especially hard-hit.

The government has disbursed 50 billion rupiah (5.9 million dollars) to battle the outbreak of the mosquito-borne disease.

But medical staff are struggling to cope, with patients sleeping on camp beds in corridors and any other space that can be found, including hospital mosques and maternity hospitals.

Officials have launched a public education campaign through television advertisements and vans equipped with loudspeakers to educate people about the virus.

Dengue fever is an annual rainy season hazard for Indonesians but the number of infections this year is more than double the same period last year.

The outbreak is expected to peak through March and April, with the health ministry hoping it will be under control by May.