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BACKGROUND Untreated maternal syphilis can result in the fetuses being infected. Severe adverse pregnancy outcomes include stillbirth, perinatal death, low birth weight, and congenital syphilis (CS). The World Health Organization has already classified global elimination of CS as a priority. However, this preventable disease is still threatening people's(More)
OBJECTIVE To investigate molecular epidemiology of Chlamydia trachomatis infection among patients recruited from different clinic settings in Shenzhen, China. METHODS A total of 2534 patients from the sexually transmitted disease (STD) clinics, obstetrics and gynaecology (OBGYN) clinics and genitourinary medicine (GUM) clinics in 34 hospitals participated(More)
BACKGROUND Despite existence of a highly effective intervention, maternal syphilis still causes substantial perinatal morbidity and mortality, even in China, where antenatal health services are strong. This study sought to address personal, programmatic, and other risk factors for congenital syphilis (CS) and adverse pregnancy outcomes (APOs) among pregnant(More)
Focusing on the difficulty of fee management and credit hour fee calculation in E-Learning, this paper analyzes the specific charging service, and presents a design of intelligent ELearning charging system based on multi-layer architecture. It expounds the functions of each layer in the system and MVC model application. It describes the function module(More)
OBJECTIVE To learn the spatial and temporal patterns of primary syphilis and secondary syphilis in Shenzhen and to provide evidence for carrying out further research on syphilis. METHODS Primary syphilis and secondary syphilis cases among residents in Shenzhen between 2005 and 2009 (n = 11 303) were geocoded at street office level (n = 55) based on(More)
Security of CA system is a critical component which influences the security in E-Commerce. This paper analyzes the network architecture of CA system, and presents multi-layer and multi-aspect security architecture of CA system. This security design focuses on the network layer and application layer. Firewalls divide CA system network into different security(More)
Background Early screening for syphilis among pregnant women and the effective treatment of maternal syphilis is fundamental to prevent congenital syphilis (CS). Methods We obtained data from the Shenzhen Program for Prevention of CS (SPPCS) and estimated incidence rates of CS among infants born to syphilis-seropositive women treated with different(More)
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