• Being a toddler. Shigella infection is most common in children between the ages of 2 and 4.
  • Living in group housing or participating in group activities. Close contact with other people spreads the bacteria from person to person. Shigella outbreaks are more common in child care centers, nursing homes, jails and military barracks.
  • Living or traveling in areas that lack sanitation. People who live or travel in developing countries are more likely to contract shigella infection.
  • Being a sexually active gay male. Men who have sex with men are at higher risk.
Aug. 24, 2012

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