A pneumococcal disease outbreak caused by Streptococcus pneumoniae serotype 12F occurred in a state prison in Alabama, USA. Among 1,276 inmates, 40 cases were identified (3 confirmed, 2 probable, 35 suspected). Close living quarters, substance use, and underlying conditions likely contributed to disease risk. Prophylaxis for close contacts included azithromycin and 23-valent pneumococcal polysaccharide vaccine.
Keywords: Alabama; PPSV23; Streptococcus pneumoniae; USA; azithromycin; correctional facility; meningitis/encephalitis; outbreak; pneumococcal disease; pneumococcus.