ocr: The public health system is limited.Less than 20% of hospitals are state-run and private care is very expensive. The World Bank has criticized the under- tinancing of preventive health care. On average, only 15% ofthe health budget is allocated' - to child. health, immunization and other preventive programs. Reported malaria cases tripledbetween 1980 and1990;90% are 111 Amazonia, mainly in settler towns. Leprosy and parasitic skin infections are also becoming more Commil0lly again often affe cting settlers.