The story of biodefence is a shift from the horrors of biological warfare to a complex, modern race against pathogens—both natural and man-made . It is a narrative defined by moments of sudden crisis, like the 2001 anthrax attacks , which transformed biodefence into a permanent pillar of national security [11, 21]. The Turning Point: Amerithrax
: Advances in synthetic biology and AI have lowered the bar for creating lethal, novel pathogens in laboratories [2, 19].
Historically, biodefence emerged from the shadows of offensive biological weapons programs [31, 35].
: At facilities like the U.S. Army Medical Research Institute of Infectious Diseases (USAMRIID), scientists focus on "medical countermeasures"—creating the vaccines, diagnostics, and treatments needed to protect soldiers and civilians from biothreats [23, 35]. Modern Challenges: The "Silent" War