H1N1 virus is sometimes mentioned in the news with reference to which one of the following diseases?(2015)
b) Bird flu
d) swine flu
Influenza A (H1N1) virus is the most common cause of human influenza (flu). In June 2009, the World Health Organization (WHO) declared the new strain of swine-origin H1N1 as a pandemic. This strain is often called swine flu by the public media.