Outbreaks of swine flu have been identified in Mexico, the United States and Europe, according to the World Health Organization. The super-virus--an amalgamation of strains that circulate in pigs, humans and birds--is known as H1N1, is highly communicable but has a low rate of mortality. Even so, there is no vaccine, and contracting the virus will put you seriously under the weather. To see a dynamic Google Maps mashup of identified cases around the world, check out the map below.

View H1N1 Swine Flu in a larger map

You can also track the pandemic using the Flu Wikia, and the Centers for Disease Control has has added a What's New page for ongoing updates.