The book explores the reason why the possibility of a covert biological attack is not a work of fiction but a reality staring at us in the coming days. The wide- ranging effects of biological weapons besides medical issues predicted in the book are proving to be true in the current scenario. The threat has been analyzed in its entirety. This asymmetric form of threat causes mass panic or disruption which is disproportionate to the actual outcome of the agent use which has been proved in the current Covid scenario.