A patient from Uttar Pradesh presented with fever, pallor, and hepatosplenomegaly. Peripheral smear examination showed pancytopenia. Buffy coat examination showed macrophages laden with organisms with a kinetoplast. What is the vector for the likely disease?

Options

1. Sandfly
2. Tse-Tse fly
3. Triatomine bug
4. Female anopheles mosquito

Correct Answer

Sandfly

Explanation

The clinical presentation of fever, hepatosplenomegaly, and pancytopenia along with macrophages laden with organisms containing kinetoplast on buffy coat examination is characteristic of visceral leishmaniasis (Kala-azar). The causative organism is Leishmania donovani, which is transmitted by the sandfly (Phlebotomus species).

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