What is The onset of symptoms form a biological terrorist incident?

The onset of symptoms from a biological terrorist incident can vary widely depending on the agent used. Some biological agents, like anthrax or plague, may cause symptoms within hours to days, while others, such as smallpox or viral hemorrhagic fevers, might take longer to manifest. Initial symptoms often resemble common illnesses, making early detection challenging. Rapid identification and response are crucial to manage the outbreak and mitigate its effects.