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2011年12月28日至2012年1月15日,某医学院学生陆续出现以低热、咽痛、皮疹为主要症状和体征的病人。经流行病调查确诊为水痘疫情流行,报道如下。1流行病学特征1.1时间分布2011年12月28日至2012年1月15日某医学院学生陆续出现水痘病人26例。首发病例来自大二临床专业学生,自述未出过水痘,且无明显水痘病例接触史,12月28日开始发病,全身出现散在的斑丘疹。此后在1个潜伏期内,该系学生相继出现水痘病例25例,至1月15日流行终止,历时19 d。发病高峰为1月1~6日,共发生16例,占总发病62%。
December 28, 2011 to January 15, 2012, a medical school students one after another with low fever, sore throat, rash as the main symptoms and signs of the patient. Epidemiological survey confirmed the prevalence of chicken pox epidemic, reported as follows. 1 Epidemiological characteristics 1.1 The distribution of time December 28, 2011 to January 15, 2012 a medical school students gradually appeared in 26 cases of chickenpox patients. The first case from the sophomore clinical students, read the report has not been a chicken pox, and no history of varicella cases exposure, December 28 onset, the body appeared scattered rash. Since then, during a period of incubation, 25 cases of chickenpox have been reported in this department. The epidemic was terminated on January 15 and lasted for 19 days. The peak incidence of January 1 to 6, a total of 16 cases, accounting for 62% of the total incidence.