In 2004, 68% of countries reported the existence of a national system for the surveillance of AEFI, compared with 53% in 2001.
2004年，有68%的国家报告存在监测免疫接种后不良事件的国家系统，而2001年为53%。
GACVS recommended that future immunization campaigns should be accompanied by strengthened AEFI monitoring and investigation activities.
GACVS建议今后开展强化免疫时应该同时加强AEFI监测和病历调查工作。
Adverse Events Following immunization (AEFI) is a medical incident taking place after immunization, and is been believed to be caused by the immunization.
预防接种副反应(AEFI)是指预防接种后发生的、被认为由预防接种引起的任何医学事件。
In all the AEFI, the common vaccination reactions were fever, local swelling and indurations, the rare reactions were anaphylactic rash and lymphadenitis of BCG vaccine.
不良反应中，一般反应以发热、红肿、硬结为主，预防接种异常反应以过敏性皮疹、卡介苗淋巴结炎为主。
Recognition of the clustering of cases of aseptic meningitis has potentially been enhanced during mass immunization campaigns due to increased sensitivity of AEFI surveillance.
随着AEFI监测系统的敏感性提高，对强化免疫期间聚集发生的无菌性脑膜炎的辨识能力也得到了加强。
Objective to understand the cause for the increase of sterile abscess cases upon DPT (whole cell) vaccination in 2005 in Beijing, so as to control the AEFI rate and improve vaccination safety.
目的了解北京市2005年接种吸附百白破联合疫苗(DPT)后无菌化脓病例增多的原因，保证安全接种。
Objective to understand the cause for the increase of sterile abscess cases upon DPT (whole cell) vaccination in 2005 in Beijing, so as to control the AEFI rate and improve vaccination safety.
目的了解北京市2005年接种吸附百白破联合疫苗(DPT)后无菌化脓病例增多的原因，保证安全接种。
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