Background: Invasive group A streptococcus (GAS) affects approximately 10,500 persons annually; 1 in 5 patients >/=65 years die. In August 2001, CDC investigated a cluster of GAS deaths in a Georgia long-term care facility (LTCF).
Methods: We screened LTCF residents and staff for GAS carriage and conducted a retrospective cohort study among residents.