H1N1 Virus

Consider the following statements:

  1. H1N1 virus is a subtype of influenza B virus that is the most common cause of human influenza.
  2. It is an orthomyxovirus that contains the glycoproteins haemagglutinin and neuraminidase.

Which of the statement(s) given above is/are correct?

A
Only 1
B
Both 1 and 2
C
Only 2
D
Neither 1 nor 2