摘要：An epidemic of cerebrospinal meningitis (CSM) in the Mongolian People's Republic, starting in 1969, reached its peak in 1974. In that year and in early 1975, 65 000 children in the 0-8-years age group in the main towns and in the provinces were immunized with meningococcal vaccine of serogroup A. The morbidity rates due to CSM were 12 times higher in the non-immunized than in the immunized children. This result demonstrates the value of an immunization programme to control epidemics of CSM. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (525K), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 943 944 945 946
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