alleryकोणत्या वर्षी WHO ने देवी रोगाचे (smallpox) समूळ उच्चाटन झाल्याची घोषणा केली?
A1966
B1972
C1980
D1990
Answer & Solution
Correct answer: C. 1980
WHO ने 1980 मध्ये देवी रोगाचे संपूर्ण उच्चाटन झाल्याची घोषणा केली.
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