How to prevent Parasites - Trichuriasis (also known as Whipworm Infection) ?
The best way to prevent whipworm infection is to always:
    
     - Avoid ingesting soil that may be contaminated with human feces, including where human fecal matter ("night soil") or wastewater is used to fertilize crops.
     - Wash your hands with soap and warm water before handling food.
     - Teach children the importance of washing hands to prevent infection.
     - Wash, peel, or cook all raw vegetables and fruits before eating, particularly those that have been grown in soil that has been fertilized with manure.
    
    
More on: Handwashing
    
Transmission of infection to others can be prevented by
    
     - Not defecating outdoors.
     - Effective sewage disposal systems.