{Reference Type}: Journal Article {Title}: Group A Streptococcal Outbreak in a Geriatric Mental Health Unit. {Author}: Younis HD;Johnstone J;Armstrong I;Brown EE;Golden A;Griffith A;Martin I;Donnait K;Nur M;Mesfin E;Kus JV;McGeer A;Logan R; {Journal}: Am J Infect Control {Volume}: 0 {Issue}: 0 {Year}: 2024 Jun 24 {Factor}: 4.303 {DOI}: 10.1016/j.ajic.2024.06.011 {Abstract}: We report a Group A streptococcal (GAS) outbreak in a geriatric mental health in-patient unit. Communication with cognitively impaired patients, limitations in adherence to hygiene practices and communal dining may have facilitated transmission. Settle plates aided in identifying a colonized patient. Rapid access to whole genome sequencing facilitated assessment and management.