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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) H5N1 virus causes bird flu was first discoverd in 1997

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Gagan Mishra

2 years ago

option c

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