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Vaccine fact book 2013
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 A proverb in many languages is that prevention is better than cure. This idea is central to the development of vaccines, which have transformed human health since the time of Jenner in the late 18th Century. Smallpox has been eradicated, polio largely controlled and measles and rubella have been targeted for elimination. Bacterial meningitis is becoming rare in countries that vaccinate their children. Acquisition of hepatitis A and B can now be prevented, and vaccination against the main viral cause of death due to infantile diarrhea and dehydration is now being disseminated. Reduction of pneumonia is now possible both in infants and in the elderly. Several forms of cancer caused by viruses can now be prevented. All of this and more has been accomplished through the deployment of vaccines, particularly in the last 50 years. Governments have reasons to promote vaccination: aside from humanitarian concerns, better health of a population lowers medical costs and is associated with broad economic benefits. Therefore, the vaccine industry has been growing in importance and new companies are springing up in developing countries, often in association with western manufacturers. Many governments consider vaccine production to be a precious resource to control epidemics of new types of influenza and other emerging infections. Industrialized as well as poor countries will want their people to have access to preventive measures that make life better and safer. However, many infectious diseases remain uncontrolled and vaccines for them are needed. Unfortunately, some of these diseases are complex and vaccine development will not be easy. However, new techniques and strategies of vaccine development are being constantly developed and those tools, such as molecular, systems and structural biology are likely to allow progress against the difficult targets. Indeed, basic research is the foundation on which vaccinology is built. This book seeks to explain to non-specialists what vaccines do, how they are developed, how they are given and what results have been obtained when they are routinely used. It is a dramatic and impressive story, but not well understood by the general public. Yet this story has been unfolding over the last 200 years. Those interested in history may also consult the website historyofvaccines.org. A book about vaccines for non-scientists is particularly important for developed countries like the United States, in which many diseases have been controlled and therefore their seriousness underestimated when decisions about vaccination are made. If eternal vigilance is the price of liberty, then constant protection by vaccination is the price of good health. Stanley A. Plotkin, MD Emeritus Professor of Pediatrics University of Pennsylvania |
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2015-09-14 21:59:33, 2.52 M
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简单回复
2015-09-15 08:11
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五星好评 顶一下，感谢分享！
2015-09-15 08:37
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五星好评 顶一下，感谢分享！
小孩19874楼
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五星好评 顶一下，感谢分享！
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