Statistical analysis and classification of epidemic cerebrospinal meningitis group A and C Neisseria meningitides IgG levels in the railway occupational population in Taiyuan

Objective This study was conducted t0 better understand the status quo of epidemic cerebrospinal meningitis immunization in the rmlway occupational population in Taiyuan．Methods The enzyme—linked mamunosorbent assay(ELISA)was used to detect group A and C Neissefia meningifides antibodies in some of the healthy railway occupational population in Tmyuan Results In this study，253 heNthy subjects were tested for Neissefia meningitides antibody and 162 of them had positive group A Neisseria meningitides IgG antibody(64 03％)with a GMT of l：l 58 And 122 of them were found to be group C Neisseria meningitides lgG anfibody positive(48．22％、．With a GMT of 1：1．42．There was a significant difference in the pofitive Fate Cr毛9 6266，PO 05)，but the positive rate of group A Neisseria meningitides G antibody was significantly different among the population in different age groups印=8．0911，P005)with no significant difference in GMT between the sexes(t=1．7266．P>0．05)It