Ticks and Tick Borne Diseases

57 Pages·2015·1.11 MB·English

Ticks & Lyme Disease
Bureau of Workers’ Compensation
PA Training for Health & Safety
(PATHS)
Ticks and Tick Borne
Diseases
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Topics
Introduction to Problem
Types
Life Cycle
Behavior
Lyme Disease
Signs & Symptoms
Evaluation
Treatment
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Why the Fuss about Ticks?
Tick populations are exploding – there’s no place in
Pennsylvania without deer ticks!
Ticks are hard to kill
“...we’ve learned that washing clothes in warm water
and detergent doesn't kill all these ticks”
“The only sure way to get rid of them is to dry clothes
on high heat for a long cycle time”
“without snow cover, these adult ticks can be active in
temperatures as low as 28 degrees F”
Steven Jacobs of Penn State Dept of
Entomology,
Penn State Ag. Sciences News 11/23/05
Ticks are becoming resistant to pesticides ???
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Lyme Disease
1908: recognized in Sweden
1975: first identified in Lyme Connecticut
Ticks:
Arachnids (class of Arthropods)
which includes mites, spiders
and scorpions
Two (2) groups
Hard bodied and
Soft bodied
Both capable of transmitting
disease
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Reported Cases
CDC each year has about 20,000 new cases reported
CDC believes 90% of cases go unreported
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For Lyme Disease to Exist
There appears to be a symbiotic relationship
between:
1. The Lyme disease bacteria,
2. Ticks which can transmit them, and
3. Mammals to provide food for the ticks such as:
Deer and
Mice
Ticks can be found in areas with very high or low
temperature with a constant high relative
humidity.
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Trails & Edge Habitat
Blacklegged ticks live in
woody, brushy areas that
provide food and cover for
hosts such as mice and
deer
Exposure to these ticks can
be greatest along trails and
edges of woods
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Rogue’s Gallery
Wood Tick
Brown
Dog Tick
Lone
Deer
Star Tick
Tick
(Black-
legged
Tick)
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Hosts, Collaborators & Victims
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Examples of Hosts
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