Environmental Engineering Reference
In-Depth Information
Q fever
Coxiella burneti
(Rickettsia
burneti
)
Infected wild
animals
(bandicoots);
cattle, sheep,
goats, ticks,
carcasses of
infected animals
Airborne rickettsias in or
near premises
contaminated by
placental tissues; raw
milk from infected cows,
direct contact with
infected animals or
meats
2 - 3 weeks
Immunization of persons
in close contact with
rickettsias or possibly
infected animals.
Pasteurization of all milk
at 145
◦
F for 30 min or
161
◦
F for 15 sec.
Rocky Mountain
spotted fever
Rickettsia
rickettsii
Infected ticks, dog
ticks, wood ticks,
Lone Star ticks
Bite of infected tick or
crushed tick blood or
feces in scratch or
wound.
3 - 10 days
Avoid tick-infested areas
and crushing tick in
removal; clear
harborages; insecticides.
Colorado tick
Colorado tick
fever virus
Infected ticks and
small animals
Bite of infected tick,
Dermacentor andersoni
4 - 5 days
See Rocky Mountain
spotted fever.
Tularemia
Franciscella
tularensis
(Posteurella
tularensis
)
Wild animals,
rabbits, muskrats;
also wood ticks
Bite of infected flies or
ticks, handling infected
animals. Ingestion of
contaminated water or
insufficiently cooked
rabbit meat.
1 - 10 days, usually
3days
Avoid bites of ticks,
flies. Use rubber gloves
in dressing wild animals;
avoid contaminated
water; thoroughly cook
rabbit meat.
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continues
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