What is the Pig Flu or Swine Influenza?
The pig flu or swine influenza is a virus specific to pigs or porcine species; it doesn't usually infect humans, although it has happened in history.
What is different this time about the Pig Flu?
The CDC believes this time (April 24, 2009), that the strain is a mix between bird, pig, and human virus.
Can the current virus spread to humans?
Yes, it has already infected people in Mexico, and has already spread worldwide.
