narrator: 10-year-old rosalinda manurong is stl seriouy ill.m of the disease: grade three dengue hemorrhagic fever. her mother is on round-the-clock watch, but apart from a drip, there's little that can be done to ease rosalinda's suffering. narrator: the indonesian government is so worried by the flood of cases like rosalinda's, it's set up an emergency system to try to halt the spread of dengue. every time a new case is admitted, the hospital has to contact the patient's community headquarters within 24 hours. if more than one case is detectedn the district, then the city takes radical action. [engine revving] ♪ music these men are foggers. their mission, to kill the mosquitoes that spread dengue fever. they're out in force in the north of jakarta spraying insecticide. it's like a military operation. ♪ music [engine revving] no building is left untouched. this is the community's only real hope of fighting off dengue for now. environmental expert budi haryanto is closely monitoring the city's fogging program. narrator: the dengue caring mosqui