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Technology AIDS under control! | AIDS under control! |
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AIDS epidemic, which erupted in the early eighties of the last century is undoubtedly one of the greatest plagues that affected humanity at the turn of the century. Starting complete helplessness of doctors and a relatively large number of new cases aroused widespread fear and panic. At the same time the conviction that the problem affects only homosexuals and drug addicts and the associated feeling of relative safety in people, paradoxically, facilitated the heterosexual spread of HIV in this group. Currently, the world they live about 33 million people with HIV, and more than 2 million die each year from AIDS. Most of the fatalities are heterosexual people living in poor African countries. Sick people in countries widely understood West have access to early diagnosis and more effective medicines. The introduction in the late nineties highly active antiretroviral therapy (HAART English) allowed infected in as a normal life while maintaining the medication regime. Sophisticated pharmaceuticals slow down the spread of the virus in the patient's body, preventing its replication by blocking the enzymes that prevent penetration into the host cells. Treatment is so effective that in countries where it is reimbursed, deaths resulting from AIDS are sporadic. Unfortunately, HAART therapy is very expensive. The patient must also from time to time to undergo a test determining the quantity of virus particles in the blood and condition of the immune system. Because HIV quickly gaining resistance to drugs used their combination must be changed frequently. This requires both good access to health care and how its adequate funding. Both these conditions are rarely met in African countries. Scientists estimate, however, that the cost of treatment, although seemingly high, the result is lower than the losses incurred by state employees as a result of the loss and expenses incurred in caring for the infected in the final stages of the disease. According to forecasts by the application of Western approaches to the treatment of patients in African countries would within five years to control the spread of the deadly virus. Adoption of modern antiretroviral medicines, in addition to the direct effect of the treated patients improved bargaining also affects the transmission of the virus. As a result of therapy, number of virus particles in the blood may decrease up to 2,000 times. This fact means that people who take drugs are roughly 25 times less likely to be infected by others. Medicines, improving the immune status of HIV-positive patients also reduce their risk of infection with other microorganisms. In Africa, many carriers are suffering from tuberculosis. Mastery of HIV will also help control other serious diseases. The cost of such a solution is about $ 3 billion a year just for the sake of South Africa, where he lived about 6 million infected. Currently, approximately 30% of carriers undergoing treatment there, but they usually get medicines when the illness is already in very advanced stage. Before starting treatment, often for several years infect others. Early detection and to undergo an annual examination by all citizens can make it, within 5 years, the number of new infections fall sharply. Researchers stress that the implementation of similar programs will help to significantly reduce the AIDS epidemic until you manage to develop an effective vaccine against HIV. |
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Cell phone cameras over small digital cameras ?
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