
Today the complexity and interconnectivity of our society create vulnerabilities, such that pandemics with even low mortality have the potential to cause widespread suffering and economic disruption. Influenza kills thousands of people each year, and the world is continuously confronting new epidemics. The human species is vulnerable to zoonotic infection with new influenza viruses, with the last occurring as recently as 2009. Influenza virus is one of a handful of infectious disease agents that can cause devastating pandemics with high mortality and morbidity in human populations.
