Swine flu is an infection which is mainly caused by any of the various influenza viruses. The transmission of this infection is rare in human beings however if it gets transmitted to human being then it is referred as Zoonotic swine flu. As it is said prevention is better than cure. The infection can be prevented from spreading by taking proper precautions. If one suspects of getting the infection then he or she must go for testing. To know more on the testing for swine flu , watch this video.