2. Centers for Disease Control and Prevention (CDC). Shigella flexneri serotype 3 infections among men who have sex withmen--Chicago, Illinois, 2003-2004. MMWR Morb Mortal Wkly Rep. 2005 Aug 26;54(33):820-2.
3. Bowen A, Eikmeier D, Talley P, et al. Notes from the Field: Outbreaks of Shigella sonnei Infection withDecreased Susceptibility to Azithromycin Among Men Who Have Sex with Men-Chicago and Metropolitan Minneapolis-St. Paul, 2014. MMWR Morb Mortal Wkly Rep. 2015 Jun 05;64(21):597-8.