Plague is an infectious disease caused by bacteria called Yersinia pestis. These bacteria are found mainly in rodents, particularly rats, and in the fleas that feed on them. Other animals and humans...
Concern about the use of the toxin ricin as a terrorist weapon have surfaced following media reports of isolated findings and poisonings related to this substance. Ricin is a naturally occurring...
Viral hemorrhagic fevers (VHFs) refer to a group of illnesses that are caused by several distinct families of viruses. In general, the term "viral hemorrhagic fever" is used to describe a severe...
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