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应用血吸虫成虫多糖抗原的间接血凝试验,分别在重度、中低度流行和基本控制基本消灭血吸虫病地区,进行血清流行病学研究。重点分析三类地区人群的抗体滴度,发现人群的抗体水平因流行的轻重而显著不同,各类地区间凝滴度的频率分布曲线各具特征。年龄相关的抗体高滴度出现率与总GMRT曲线相一致,两者在统计学上呈正相关。作者认为可以考虑以高滴度出现率作为衡量人群抗体水平的指标。
Indirect hemagglutination test of schistosoma japonicum polysaccharide antigen was used to study the epidemiology of severe schistosomiasis in severe, moderate and low prevalence and basic control of schistosomiasis. The analysis focused on antibody titers in three regions of the population, and found that antibody levels in the population were significantly different due to the severity of the epidemic. The frequency distribution curves of coagulation titers in various regions were characterized. The incidence of age-related antibody high titers was consistent with the overall GMRT curve, with a statistically significant positive correlation. The authors believe that high titers may be considered as indicators of population antibody levels.