In the mid-1970s, outbreaks of Shigella infection among adults in [[New York]] and [[San Francisco]] raised the possibility that Shigella species may be sexually transmitted, with most infections occurring in men who have sex with men (MSM) [3, 4]. Since these early observations, Shigella infection appears to be more frequent among MSM than among other adult populations...<ref>[http://www.journals.uchicago.edu/CID/journal/issues/v44n3/41468/41468.html ''Clinical Infectious Diseases'' 2007;44:335-337]</ref> | In the mid-1970s, outbreaks of Shigella infection among adults in [[New York]] and [[San Francisco]] raised the possibility that Shigella species may be sexually transmitted, with most infections occurring in men who have sex with men (MSM) [3, 4]. Since these early observations, Shigella infection appears to be more frequent among MSM than among other adult populations...<ref>[http://www.journals.uchicago.edu/CID/journal/issues/v44n3/41468/41468.html ''Clinical Infectious Diseases'' 2007;44:335-337]</ref> |