At this time officers assumed that a pandemic would come about, so that they undertook to vaccinate a big part of the inhabitants. Even so at the time the flu virus was not virulent sufficient to trigger a pandemic. Given that then there have only been about 12 situations of the flu and no deaths. So why is this certain outbreak regarded as much more major? It would seem that The present strain of swine flu is way more contagious, and it has a broader impact on our immune procedure than former strains. It could spread very fast and is particularly more challenging to keep beneath Regulate.