Access to full-text articles back to the dates of journal origin for ASM's online primary-research journals is FREE 4 months after an issue's publication. For example, on September 1, the full-text articles from the previous May issue become free.

Access to full-text articles back to the dates of journal origin for the online review journals, Clinical Microbiology Reviews and Microbiology and Molecular Biology Reviews, is FREE 1 year after publication.