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Ananya Shree

Class 12th
Biology
2 years ago

The H5N1 virus which causes bird flu was first discovered in A)1991 B)1995 C)1997 D)2001

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Muskan Anand

2 years ago

Option C ( The H5N1 bird flu incident in Hong Kong in 1997 was the first known instance of a purely avian virus causing severe human disease and death, with 18 human cases, 6 of whom died (36, 218, 266).

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