The existence of the swine flu has raised many questions ; here are some answers . Swine flu was first identified in 1930 when scientists isolated the virus in a pig . Why people are dying in hospitals but not in other places is still a mystery . While the virus can live on surfaces , this is unlikely .
The emergence of the swine flu has raised many questions ; here are some answers . Swine flu was first identified in 1930 when researchers isolated the virus in a pig . Why people are dying in Mexico but not in other places is still a mystery . While the virus can live on surfaces , transmission is unlikely .