Influenza pandemics are rare events, but recurrent.

In any case, the authorities of the world body have insisted that you can still minimize the impacts of this outbreak of swine flu, although it has been verified its transmission from person to person.

  • Phase One: The influenza virus circulating among animals and not reported the transmission to humans.
  • Phase Two: The virus present in infected domestic and wild animals to humans, it is considered that a pandemic may develop.
  • Phase Three: Small groups of people acquire the infection.The Contagious between humans occurs and under limited circumstances. However, the fact that the virus is transmitted between people does not necessarily mean it will cause a pandemic.
  • Phase Four: It verifies the transmission between humans and the virus causes disease outbreaks in communities. At this stage increases the risk of a pandemic breaks out, but does not necessarily mean it is imminent.
  • Phase Five: It is characterized by the fact that the virus spreads among humans in at least two countries in the same region of the world. The declaration of this stage is a clear message that the pandemic is imminent and that the time to implement measures to mitigate the infection is short.
  • Phase Six: The pandemic occurs, ie the disease is present in different regions of the world.

In the next phase, which is generated after the virus reached its peak levels pandemic of the disease are reduced. However, it is unclear whether there will be new waves of the disease.

In the post-pandemic influenza returns to the normal seasonal influenza. This is the recovery phase.

Image to link: Diario Uno

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