According to World Health Organisation (WHO) “biological weapons are microorganisms like virus, bacteria, fungi or other toxins that are produced and released deliberately to cause disease and death in humans, animals and plants” ("Biological weapons", 2020). One of the fearsome use of biological weapon like Anthrax was sent to several cities of United States of America back 2001, a week prior to the terrorist attack at World Trade Centre. This killed five people, infected 18 and made 30000 Americans to depend on antibiotics in the same year ("A NATION CHALLENGED: BIOTERRORISM; BUSH TO REQUEST A MAJOR INCREASE IN BIOTERROR FUNDS", 2020).