But the threat of a pandemic is different from that of a nerve agent, in that a disease can spread uncontrollably, long after the first carrier has succumbed.

History is littered with examples of objects and inventions with a power beyond their professed purpose. Sometimes it's deliberately and maliciously factored into their design, but at other times, it's a result of thoughtless omissions.

At some point in the future - possibly the very near future - Britain will be hit by a deadly pandemic, and its impact could be utterly devastating.

Hannah Fry Quotes