Question:

Which one of the following is related with the avian Influenza Virus, which causes bird-flu in recent past in India?

Show Hint

This strain designation combines the two influenza surface protein subtypes.
  • H5N1
  • H1N2
  • H1N1
  • N2N5
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The Correct Option is A

Solution and Explanation

H5N1, a highly pathogenic avian influenza (HPAI) subtype, has been the strain most commonly linked to bird-flu outbreaks in poultry across India in recent years, and it has occasionally caused sporadic human infections too.
Its name comes from the two proteins on the virus's surface, haemagglutinin type 5 (H5) and neuraminidase type 1 (N1).
None of the other listed combinations correspond to the avian-influenza subtype behind India's recent bird-flu outbreaks, so H5N1 is correct.
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