Can Eating Raw Ingredients in Fried Squid Cause Toxoplasmosis? - Obstetrics and Gynecology

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Please provide the content related to the "弓漿蟲問題" (issue with the Giardia parasite) that you would like me to translate into English?


I recently went to a stir-fry restaurant and ordered salt and pepper squid.
Halfway through, I realized that the scallions, garlic, and dried chili peppers mixed in were all raw.
I only ate the squid.
Is it possible to contract toxoplasmosis from eating squid mixed with raw scallions, garlic, and dried chili peppers? Thank you!

Xiao Zeng, 30~39 year old female. Ask Date: 2022/11/25

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, it is generally not the case.
Wishing you good health.

Reply Date: 2022/11/25

More Info


Eating raw ingredients, such as scallions, garlic, and chili peppers, mixed with fried squid does raise concerns about foodborne illnesses, but the specific risk of contracting toxoplasmosis from these ingredients is relatively low. Toxoplasmosis is primarily caused by the parasite Toxoplasma gondii, which is most commonly transmitted through undercooked or raw meat, particularly pork, lamb, and venison, as well as through contaminated water or soil. It can also be contracted from handling cat litter or consuming unwashed fruits and vegetables that have come into contact with contaminated soil.

In your case, the primary concern would not be toxoplasmosis but rather other foodborne pathogens that could be present in raw vegetables. Scallions, garlic, and chili peppers can harbor bacteria if they are not washed properly or if they come into contact with contaminated surfaces. Common pathogens associated with raw vegetables include Salmonella, E. coli, and Listeria, which can cause gastrointestinal illnesses.

If you consumed only the fried squid and did not ingest the raw ingredients, your risk of contracting any foodborne illness is significantly reduced. However, if you did consume the raw scallions, garlic, and chili peppers, it is essential to monitor for any symptoms of foodborne illness, such as nausea, vomiting, diarrhea, abdominal cramps, or fever. These symptoms can appear anywhere from a few hours to several days after exposure, depending on the pathogen involved.

To minimize the risk of foodborne illnesses in the future, consider the following tips:
1. Wash Vegetables Thoroughly: Always wash raw vegetables under running water before consumption, even if you plan to cook them. This helps remove any dirt, bacteria, or pesticides.

2. Cook Foods Properly: Ensure that any meat, especially seafood, is cooked to the appropriate internal temperature. For squid, this typically means cooking it until it is opaque and firm.

3. Avoid Cross-Contamination: Use separate cutting boards and utensils for raw meats and vegetables to prevent cross-contamination.

4. Be Cautious with Raw Ingredients: If you are unsure about the safety of raw ingredients, it may be best to avoid them, especially in dishes that are not cooked further.

5. Stay Informed About Food Safety: Keep up to date with food safety guidelines and recalls, especially for fresh produce, as outbreaks can occur.

In conclusion, while the risk of contracting toxoplasmosis from raw scallions, garlic, and chili peppers is low, it is still important to practice good food safety habits to reduce the risk of other foodborne illnesses. If you experience any concerning symptoms after eating, it is advisable to consult a healthcare professional for further evaluation and guidance.

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