sand flies; they include such agents as yellow fever and eastern, western, and Venezuelan equine encephalitis viruses.

Arthralgia: (Joint pain) or stiffness without joint swelling (

Arthropod: As used in this report, refers to insects and ticks, many of which are medically important as vectors of infectious diseases.

Arthropod-borne: Capable of being transmitted by insect and tick (arthropod) vectors.

Asymptomatic: Presenting no symptoms of disease.

Autopsy: Systematic examination of the body of a deceased person by a qualified pathologist. The body is inspected for the presence of disease or injury; specimens of the vital organs and/or body fluids may be taken for microscopic, chemical, or other tests.

Bacteria: Microscopic, single-celled organisms that have some biochemical and structural features different from those of animal and plant cells.

Biological weapons: A harmful biological agent (such as a pathogenic microorganism or a neurotoxin) used as a weapon to cause death or disease usually on a large scale (

Biota: The animal and plant life of a given region (

Bioterrorism: Terrorism involving use of biological warfare agents (as disease causing viruses or herbicides).

Botulism: A rare but serious paralytic illness caused by a nerve toxin. Symptoms of botulism include double vision, blurred vision, drooping eyelids, slurred speech, difficulty swallowing, dry mouth, and muscle weakness. The illness can cause paralysis, respiratory failure, and death (

Bushmeat: Wildlife species which are hunted in the “bush,” or forests (

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