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The fight against AIDS got some more help earlier this month. The Swiss drug manufacturer Roche and the Clinton Foundation announced separate efforts to provide H. I. V. drugs to poor nations. Roche says it will provide drug companies in developing nations with (36) assistance to make copies of a drag called saquinavir. Saquinavir is taken in (37) with other medicines. It is used to treat H. I. V. patients with or without AIDS. H. I. V. is the virus that develops into AIDS. (38) lose their ability to fight infections. For example, many people with AIDS die of tuberculosis (肺结核). Roche says it plans to start its technology (39) program in more than sixty nations, mostly in Africa and Asia. Officials say the countries (40) about seventy percent of all people living with H. I. V. and AIDS. Medical experts say more than forty million people are infected around the world. Roche says it will have a special team to deal with requests later this year. The company’s chief, William Burns, says the drug maker wants to share its knowledge to help strengthen local drug (41) . Some of the team will be based in Africa. The action (42) by the Clinton Foundation involves two other H. I. V. medicines: efavirenz and abacavir. The foundation has (43) agreements with drug makers to cut the cost of these two antiretroviral drags by more than thirty percent. This will involve five companies in India and South Africa. The Clinton Foundation says it has also secured agreements involving tests for H. I. V. (44) . The companies are in China, India, Israel and the United States. Bill Clinton calls the agreements an important step in the fight against H. I.V. and AIDS. (45) . H. I. V. can be spread by sexual relations, or infected blood or blood products. The virus can pass (46) . Last year the world had an estimated three million AIDS-related deaths and five million new infections. Medicine can suppress H. I. V. , but not prevent it or cure it.