County of San Diego Pandemic Influenza and Other Highly Infectious Respiratory Transmitted Disease Response Plan [open pdf - 3MB]
"An influenza pandemic has a very significant potential to cause rapid increases in death and illness among all age groups and even among the healthy population. Planning and preparedness before the next pandemic strikes is critical for an effective response. This Pandemic Influenza and Other Highly Infectious Respiratory Transmitted Disease Response Plan describes a coordinated local strategy to prepare for and respond to an influenza pandemic that supplements the State and Federal Plans. Influenza causes seasonal epidemics of disease resulting in an average of 36,000 deaths each year. A pandemic-or significant global epidemic-occurs when there is a mutation in the influenza virus so that most or all of the world's human population has no previous exposure and is thus vulnerable to the virus. Three pandemics occurred during the 20th century, the most severe of which, in 1918, caused over 500,000 U.S. deaths and more than 20 million deaths worldwide. Recent outbreaks of human disease caused by avian (bird) influenza strains in Asia and Europe highlight the potential of new strains to be introduced into the human population. Recent studies suggest that avian strains are mutating genetically and may be more capable of causing severe disease in humans. These strains have become endemic in some wild birds. If these strains reassort with human influenza viruses they can effectively be spread between humans and a pandemic can occur."
2005 County of San Diego.
San Diego County: http://www2.sdcounty.ca.gov/