Phylogenetic analysis of serotype 19A-sequence type (ST)2331 Streptococcus pneumoniae associated with the Pneumococcal Molecular Epidemiology Network (PMEN)34 clone predominant in Japan after the introduction of the 7-valent pneumococcal conjugate vaccine (PCV7). (microbiologyresearch.org)

Authors: Koide S … Sugai M Journal: Microbial Genomics Published: 2026-07-01 DOI: https://doi.org/10.1099/mgen.0.001808