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Annual global medical research expenditures.
| the world | US$200 billion |
| USA | US$93 billion |
| R&D for developing country diseases | US$3 billion |
| % of developing country R&D expenditure per disease (%) | |
| HIV/AIDS | 39 |
| malaria | 18 |
| tuberculosis | 15 |
| protozoa, other than malaria | 4.7 |
| diarrhoeal diseases | 4.5 |
| helminths | 2.3 |
| rheumatic fever | <0.3 |
