II. General
- Less common in returning travelers
- Unusual if travel less than 1 month
- May be associated with decreased Eosinophils
III. Causes: Helminth Infections (Nematodes)
- Tapeworms (Cestodes)
- Flukes (Trematodes)
- Whipworm
- Roundworms (Nematodes)
- Enterobius vermicularis (Pinworm)
- Trichinella spiralis (Trichinosis)
- Lymphatic Filariasis
- Toxocariasis
- Strongyloides
- Soil Transmitted Helminths (STH)
- Worldwide the most common intestinal Parasites worldwide (2.6 billion infections/year)
- Ascaris lumbricoides (roundworm)
- Ancylostoma duodenale or Necator americanus (Hookworm)
- Trichuris trichiura (Whipworm)
- Transmission from Dogs and Cats