Salk's vaccine is connected with which one of the following diseases?
A. Smallpox
B. Tetanus
C. T.B.
D. Polio
Answer: Option D
A. Smallpox
B. Tetanus
C. T.B.
D. Polio
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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