Most articles are indexed under one or two subjects, and under their authors. Figures, tables and inserts have not been indexed. Notes, comments and letters have been indexed if they contain substantial information. Each issue of the Bulletin contains an infectious diseases report. Each disease discussed in detail in these reports is indexed with the sub-heading monthly update.
Some issues contain abstracts of articles which have been published elsewhere.
These abstracts are indexed under subject with the sub-heading abstracts. Abstracts of articles presented at public health conferences are indexed under subject with the subheading conference abstracts. No authors or titles are printed in the index for either type of abstract.