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Lyme Disease
What is Lyme Disease?
• Also known as borreliosis• Caused by Borrelia burgdorferi bacteria• Bacteria live in the host which is a tick
How it is transmitted
• Tick bites a human or deer for a meal and the bacteria is transmitted to the person or deer.
Host
Signs and Symptoms in Humans
• Expanding Rash
• Appears either as a solid red expanding rash or blotch, OR a central spot surrounded by clear skin that is in turn ringed by an expanding red rash (looks like a bull's-eye)
Symptoms
• Solid red or bull's-eye rash, usually at site of bite
• Swelling of lymph glands near tick bite
• Generalized achiness
• Headache
Beginning Symptoms:
SymptomsEarly Disseminated Stage:
Symptoms
• Arthritis (pain/swelling) of one or two large joints
• Disabling neurological disorders (disorientation; confusion; dizziness; short-term memory loss; inability to concentrate, finish sentences or follow conversations; mental "fog")
• Numbness in arms/hands or legs/feet
Late Stage:
Treatment
• Antibiotics –Doxycycline, amoxicillin and ceftin - four week treatment if found in early stages
• intravenous (IV) treatment and oral antibiotics- 4-6 weeks, late stages
Deer
• Deer may carry Lyme Disease but are not affected
• Humans, Dogs and Cats can be adversely affected by the disease
Birds• Carrier of Borrelia burgdorferi
• Ticks that do not have the bacteria can transmitted from a host bird
• Birds that do not have if can transmitted from feeding tick
• Birds are not affected by the bacterium
• The bacterium is spreading to new places because birds are migrating with feeding ticks, when they finish feeding they drop up in a new place possible miles away from where they attached to host.
Common Ticks
Deer ticks and two other common tick species - dog ticks and Lone Star ticks (neither of which is known to transmit Lyme disease)
Where
Risk Across the United States
References
American Lyme Disease Foundation• http://www.aldf.com/lyme.shtml#treatment
Google Images• http://myhealth.ucsd.edu/library/healthguide/en-
us/images/media/medical/Multum/ceftin500mg.jpg• http://fgghjghj.5khost.com/2804.jpg• http://upload.wikimedia.org/wikipedia/commons/
e/e8/Doxycycline_100mg_capsules.jpg