Kala-azar is transmitted by
A. tse-tse fly
B. mites
C. black flies
D. sand fly
Answer: Option D
A. tse-tse fly
B. mites
C. black flies
D. sand fly
Answer: Option D
Which one of the following is useful in the treatment of scurvy disease?
A. Mango
B. Papaya
C. Aonia
D. Ber
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