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Causes of Ascariasis

Primary Cause of Ascariasis

The primary cause of Ascariasis is the result:

  • of an infectious agent.

Ascariasis Causes: Risk Factors

The following conditions have been cited in various sources as potentially causal risk factors related to Ascariasis:

Ascariasis: Related Medical Conditions

To research the causes of Ascariasis, consider researching the causes of these these diseases that may be similar, or associated with Ascariasis:

Ascariasis: Causes and Types

Causes of Types of Ascariasis: Review the cause informationfor the various types of Ascariasis:

Causes of Broader Categories of Ascariasis: Review the causal information about the various more general categories of medical conditions:

What causes Ascariasis?

Article excerpts about the causes of Ascariasis:

Parasitic Roundworm Diseases, NIAID Fact Sheet: NIAID (Excerpt)

Almost more than any other parasitic disease, human carelessness causes ascaris. Human feces in streets, fields, and yards are a major source of infective eggs in heavily populated areas. The eggs of ascarids do not infect humans when first excreted by the worm. The eggs are very resistant to extremes of temperature and humidity. They usually are transmitted by hand to mouth, although the use of human feces as fertilizer may also permit transmission of infective eggs by food that is grown in the soil and eaten without being thoroughly washed. The eggs require several weeks to develop and become infective. (Source: excerpt from Parasitic Roundworm Diseases, NIAID Fact Sheet: NIAID)

Parasitic Roundworm Diseases, NIAID Fact Sheet: NIAID (Excerpt)

Other species of ascarids such as Toxocara, which infect dogs and cats, can, under certain circumstances, be picked up by humans. In dogs and cats, these ascarids have a migratory cycle similar to A. lumbricoides. In humans, however, they fail to reach the intestine. Instead they remain active in other body tissue for some time. This state of larval migration is known as visceral larva migrans. (Source: excerpt from Parasitic Roundworm Diseases, NIAID Fact Sheet: NIAID)

Related information on causes of Ascariasis:

As with all medical conditions, there may be many causal factors. Further relevant information on causes of Ascariasis may be found in:

 

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