Swine Influenza (swine flu) is a respiratory disease of pigs caused by type A influenza that regularly cause outbreaks of influenza among pigs. Swine flu viruses do not normally infect humans.
However, human infections of swine flu do occur, and cases of human-to-human communicability of swine flu has been documented.From December 2005 - February 2009, a total of 12 human infections of
swine influenza were reported from 10 states in the United States. Since March 2009, a number of confirmed human cases of a new strain of swine influenza A (H1N1) virus infection in California and
Texas have been identified. An investigation into these cases is ongoing.
In this new Hubblecast episode, Dr. J guides us through the first chapter of Eyes on the Skies, the International Astronomical Union's official movie celebrating the telescope on its 400th
anniversary in 2009