The world hasn't seen a pandemic in 41 years, when the "Hong Kong" flu crossed the globe and killed about one million people worldwide. If swine flu reaches pandemic levels, what would happen next?
Recurrent outbreaks of avian Influenza and the outbreak of SARS in 2003 rang alarm bells as potential pandemics.
Although both jumped the "animal-to-human" barrier, neither disease mutated enough to enable sustained human-to-human infection, said Dr. K.Y. Yuen, head of microbiology at Hong Kong University. Read full article »