Causes of Baylisascaris

Cause details for Baylisascaris: Infected raccoons commonly shed millions of eggs in their feces, and the eggs usually develop to the infective stage in 2 - 4 weeks. The eggs are resistant to most environmental conditions and with adequate moisture, can survive for years. Infection is spread when infective eggs are accidentally ingested by a person or animal. People, especially young children, generally become infected from accidentally ingesting eggs from soil, water, hands, or other objects that have been contaminated with raccoon feces. The eggs must be ingested by a human or other animal to be able to hatch and release larvae. Animals may also become infected by eating a smaller animal that has been infected with Baylisascaris. ¹

Related information for causes of Baylisascaris: Further relevant information on causes of Baylisascaris may be found in the risk factors for Baylisascaris and underlying causes of Baylisascaris.

Footnotes:
1. excerpt from Baylisascaris Infection: DPD

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