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American English in life

Part III of lesson 3 American English in life
The vaccine treatment is designed to prevent the disease. It isconsidered experimental because it has not been approved for use by people who already breathed the anthrax bacterial. This incidence has spread fear and confusion across the country. hey're also leading scientists to learn more about anthrax. Unitl the recent attacks, American scientists believe that particles of anthrax bacterial settled on the surface and did not move about in the air again but results from tests inside some affected building found that a number of particles entered the air again when investigator re-enter the buildings. And a test of male handling equipment found that even a machine that was partly clean still release anthrax into the air. officials from the centers for disease control want to test different drugs for the disease. other egencies are planning still more investigations They want to learn how many particles it takes to infect a person with anthrax. They want to know what help conditions make a person more likely than others to develop the disease. They also want to know what drug is the most effective treatment.

Another major science story of last year was the continous struggle against the HIV virus and the disease it causes AIDS. The UN says about 40,000,000 people are living with HIV and AIDS around the world. That is an increase about 4 million from the year before. Officials say about 3 million people died from the disease last year. Frican countries have been mostly serious affected. About 70% of all people infected with the disease live in Africa. More than 3,000,000 people in africa were infected last year. Were it not for AIDS, life expantancy among africans would be about 62 years instead of 47. The united nations recently reported that AIDS is now spreading fastest in Eastern Europe, especially Ukraine. The number of infectious in Russia has also greatly increased. AIDS rates also have risen in Asia and the Middle East. An increase in dangerous sexual acvities is leading to higher infectious rates in some industrial countries. However, some nations have reduced their number of AIDS cases. For example, Thailand, Brazil, and Uganda have ledsuccessful treatmnt and provention campaigns. These efforts also have reduced the number of babies born with the virus. The UN General Assembly held its first conference about AIDS last year. More than 3,000 government leaders, health experts, activists, and patients took part. At the meeting, the UN established an internatioal program to finance treatment and prevention efforts. Countries have promised about 2000 million dollars so far. Secretary Cofe Anan says the program needs at least 7000 million dollars. Some of world's largest joint companies have sharply reduced the prices of powerful AIDS drugs for developing countries. But AIDS xpert say this will have a limited effect until other problems are solved. many africans are not tested for the disease. many african countries do not have the neccessary medically equipment to carry out needed blood tests. And few doctors know how to give AIDS drugs and supervise their dues.But other expertssay enough medical centers do exist to support AIDS drug programs in Africa. They say these problems can be solved.

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That's all for lesson 3, totally 3 parts.

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