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变态反应疾病是由于机体免疫系统对外界物质过度反应所致,是一种常见的疾病,并且做为病因也在日渐增多。在英国有六分之一的人罹患此类疾病。国家卫生事业局(NHS)及有关健康卫生部门每年仅用于防治哮喘的费用要超过7.5亿英镑。公众
Allergic diseases is due to the body’s immune system caused by excessive reaction of foreign substances, is a common disease, and as the cause is also increasing. One in six people in the United Kingdom suffers from the disease. The National Health Service (NHS) and related health departments alone spend more than 750 million pounds on asthma alone. public