This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Which of the following infection is not transmitted by the ingestion of contaminated food or water? 
Select and explain. 
A. Leishmaniasis, B. Tinea soleum, C. Guinea worm, D. Toxoplasmosis
A: Leishmaniasis
Answer: A: Leishmaniasis 
Explanation: Among the options given, Leishmaniasis is not transmitted through contaminated food or water, it is spread through the bite of sand flies. Humans are infected with toxoplasma when they ingest its cyst in undercooked meat or from contact with cat faeces.