Wash your hands very , very frequently and avoid people who are coughing and sneezing . '' 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 . It is now known that this virus can infect humans, but it's not yet clear how to prevent its spread among people and what kind of precautions should be taken against infection by other animals such as pigs While the virus can live on surfaces , transmission 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 . It is now known that this virus can infect humans, but it's not yet clear how to prevent its spread among people and what kind of precautions should be taken against infection by other animals such as pigs While the virus can live on surfaces , transmission is unlikely .