Risk factors for ascariasis include:

  • Age. Most people who have ascariasis are 10 years old  or younger. Children in this age group may be at higher risk because they're more likely to play in dirt.
  • Warm climate. Ascariasis worms thrive in mild climates. In the United States, ascariasis is more common in the Southeast. But it's more prevalent in developing countries with warm temperatures year-round.
  • Poor sanitation. Ascariasis is widespread in developing countries where human feces are allowed to mix with local soil.
May. 25, 2012

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