Key points from article :
The next epidemic could be a genetically engineered version of the smallpox virus or a deadly strain of the flu.
Epidemiologists say a fast-moving airborne pathogen could kill more than 30 million people in less than a year.
Reasonable probability the world will experience such an outbreak in the next 10 to 15 years.
71% of Britons are more concerned about the spread of infectious diseases than war with other nations.
