Infectious disease control

摘要: Introduction Infectious diseases have been one of the major factors affecting public health in past, and will probably remain so future. There was a time that physicians thought that, at some point future, perils infectious would overcome. In middle part twentieth century, progress made controlling such as smallpox, measles, typhoid plague. Better diet hygiene, improved living conditions vaccinations all helped to strengthen people's immunity against several diseases. Patients who got ill could be treated effectively with antibiotics. Morbidity mortality due decreased significantly. However, this success story has had its limits: advances medicine mainly benefited developed world, whereas developing world remained high; new viruses HIV SARS created problems both high- low-income contexts; extreme multi-drug resistant forms tuberculosis are spreading, especially among people AIDS; and, lastly, beginning twenty-first many countries World Health Organization started preparations for an influenza pandemic future reminiscent 1918 Spanish Flu. Medical treatment patients clinical symptoms is only not most important way control The spread disease can reduced by infection, example improving social distancing or quarantine, raising immunity, etc.