Which one of the following organisms causes Kala-azar?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Leishmania
Kala-azar (visceral leishmaniasis) is caused by the protozoan Leishmania donovani and spread by the bite of the sandfly. It brings long fever, weight loss and an enlarged spleen and liver, and is found in parts of Bihar, Jharkhand, West Bengal and Uttar Pradesh.