2. Raw or undercooked shellfish
Oysters, clams, mussels: filter feeders that can ingest parasites such as trematodes from contaminated waters.
Symptoms: Diarrhea, abdominal pain, and sometimes long-term liver or lung complications.
3. Unwashed or raw fruits and vegetables
Leafy vegetables, berries, herbs: Can transmit Cyclospora , Giardia or Toxoplasma from contaminated soil or water.
Even organic products can become contaminated if they are irrigated with untreated water.
4. Unpasteurized dairy products and juices
Raw milk, cheese and freshly pressed cider may contain Cryptosporidium , E. coli or Listeria .
Pasteurization kills parasites – therefore always choose pasteurized products.
5. Contaminated water and ice
Drinking or washing food with untreated water can lead to infection with parasites.
Important when traveling: Avoid tap water, drinks from dispensers and ice in risk areas.
