PT - JOURNAL ARTICLE AU - D. M. Jones AU - Barbara M. Tobin TI - Incidence of haemagglutinating antibodies to meningococci in north-west England AID - 10.1136/jcp.25.11.955 DP - 1972 Nov 01 TA - Journal of Clinical Pathology PG - 955--958 VI - 25 IP - 11 4099 - http://jcp.bmj.com/content/25/11/955.short 4100 - http://jcp.bmj.com/content/25/11/955.full SO - J Clin Pathol1972 Nov 01; 25 AB - Using an indirect haemagglutination technique the incidence of meningococcal antibodies in adults was found to be: group A 21%, group B 3%, and group C 20%. The reasons for some differences between these results and those obtained in America are discussed. A low incidence of antibody was detected in preschool children but the incidence in school children was found to approach that of adults. Comparison of the antibody incidence in the adult population of an area where clinical infections were occurring with that in a similar population elsewhere failed to detect any significant difference.