Marburg is another hemorrhagic fever caused by a virus. It is extremely lethal and its symptoms are profuse bleeding from the orifices. There is no cure or treatment. One of the deadliest toxins caused by a bacteria. It can be inhaled or ingested.
Severe botulism causes respiratory failure and paralysis.
Tularemia is a bacteria. It causes non-lethal diseases that are extremely incapacitating such as weight loss, fever, headaches and often pneumonia. Chemical agents include nerve agents, toxins, mustard agents and others. Two well-known nerve agents are VX and sarin. Nerve agents affect the transmission of nerve impulses in the nervous system.