Above is a link to an article about Mexican swine flu, which is a newly discovered disease discovered in Mexico and linked to pigs. The symptoms are much like a normal flu, but the virus can be deadly, capturing the attention of WHO and the CDC. Large gatherings such as concerts in Mexico City have been shut down and people have been warned against crowds( such as being in a movie theatre). A few cases have crossed into California and Mexico but so far none have been fatal.
Check it out.