Chapter 23Public Health PreparednessDanielle Trisha DolorAlfredo Mafnas
Learning Objectives1.Describe types of disasters2.Describe the types of public health problems caused by disasters3.Understand the key components of health system preparedness4.Describe the role of local departments of health in preparing and responding to emergencies5.Understand the assets that the federal government is able to provide in response to an emergency
What is a Disaster?
Disasters“Natural or manmade hazards that result in ecologic disruptions, or emergencies, of such severity and magnitude that they result in deaths, injuries, illness, or property damage that cannot be effectively managed by the application of routine procedures or resources and that result in a call for outside assistance”
Basic Phases of Disaster Management●Mitigation/Prevention●Warning ●Preparedness●Response●Recovery
Fact: In 2005 alone, approximately 1.5 million people were affected worldwide and $100 billion was lost in property damage as a consequence of disasters.
Natural Disasters3 types of natural disasters-Earthquakes-Floods-HurricanesThe National Oceanic and Atmospheric Administration has noted an increasing trend with a multi-decadal climate pattern that is predicted to lasts for many more years.
MANMADE OR TECHNOLOGICAL DISASTERS●Aging and Crumbling Infrastructure of US cities ○-increases our vulnerability for disruptions of daily life that can range from water main breaks ●Significant impacts ○to the quality of water○to hazardous materials and solid waste○to purchasing sources of food○The need for public health information has spurred the development of readily available guidance
Seasonal Influenza●A common but frequently serious disease known as the “flu” ●Influenza- What is it?●Influenza infections●Most individuals have some immunity to the circulating viruses either from previous infections or from vaccination
Pandemic Influenza●Spreads quickly around the world●Virtual strains●Projection models- predict the next influenza pandemic has the potential to infect 30% of the population of the US