The a H1N1 influenza pandemic. A systemic analysis of its genesis, evolution and socio-economic, cultural and health consequences in Mexico

In April 2009 a health emergency was declared in Mexico City, as a new influenza virus (AH1N1) began to spread. This new virus was similar to the Spanish Influenza virus which caused the death of more than 40 million persons in 1918-1919. The 2009 health emergency declaration in Mexico imposed the suspension of activities in crowded areas such as schools, restaurants, sports and recreational areas, during several days, causing important economic loses and deep seated fears in many persons. This paper presents a systemic analysis of the genesis and evolution of this pandemic and proposes some preliminary conclusions and recommendations. This pandemic situation was not as grave as expected, but the alert flags continue to be raised, at the world level, because the spread a very dangerous influenza epidemic is feared by the World Health Organization specialists.