capsular antigen

According to capsular polysaccharide and lipopolysaccharide antigen, APP could be divided into 15 serovars, the prevalence and virulence of each serovar were different. Serovar 1,2,3 and 7 are prevalent in China.

根据APP荚膜多糖（CPS）和脂多糖（LPS）抗原性的不同可将APP分为15个血清型，每个血清型的流行地区和毒力有所差别，我国主要流行1、2、3和7型。

OBJECTIVE: To describe nasopharyngeal carcinoma ( NPC) detection Rate and the epidemic trends of serum EB virus capsular antigen ( EBVCA) IgA antibody in Guangzhou Panyu district and provide evidence for secondary prevention of NPC.

目的了解广州市番禺地区人群鼻咽癌（NPC）检出率和血清EB病毒衣壳抗原抗体（EBVCA-IgA）反应现状和流行趋势，为该地区NPC二级预防提供临床依据。