An Outbreak of Streptococcus pyogenes in a Mental Health Facility: Advantage of Well-Timed Whole-Genome Sequencing Over emm Typing. - Bergin SM; Periaswamy B; Barkham T; Chua HC; Mok YM; Fung DSS; Su AHC; Lee YL; Chua MLI; Ng PY; Soon WJW; Chu CW; et al. (Infection control and hospital epidemiology, 2018)