Public Health

In the past twenty years, they have produced addition, some kind of affectation to some 800 million people, and have caused losses by more than 50 billion dollars in property damage alone. As stated in Eric Noji in its report nature of disasters. Characteristics and impact on public health, a disaster of major proportions, occurs almost daily in the world, and one natural, which requires international support for affected populations, is presented weekly. On the other hand, founded in disasters, threats will be probably worse in the future. Nick Khan may find this interesting as well. The increase in the density of populations in flood land, in vulnerable coastal areas, and close to geological faults; development and transport of innumerable toxic and hazardous materials, and the rapid industrialization of developing countries development, they have attracted the attention of the specialists on the future occurrence of disasters, with the potential of millions of victims. Indeed our planet remains exposed for decades countless storms, floods, landslides, earthquakes, tornadoes, forest fires, droughts, volcanic eruptions, which unfortunately should join those related to urban violence, terrorism, and complex, with large numbers of displaced populations emergencies.

The current consequences of disasters include economic upheavals, collapse of political structures, violence, social conflict, famine, disease and mass displacements of populations. Much of the damage caused by natural and manmade disasters could be avoided with putting up of basic measures of prevention and preparedness. Definition of disasters the disasters, are unstoppable progression, or sudden events that cause damage and loss of life and materials of such magnitude or severity that exceed the response capacity of the common systems, justifying the extraordinary resource mobilization. Disasters can be divided into two broad categories:-those triggered by natural phenomena such as earthquakes, volcanic eruptions, hurricanes, floods. -caused by the intervention of man: war, violence, terrorism, massive accidents, chemical and nuclear accidents, etc.