| Summertime Ticks On - What
Everyone Should Know About Lyme Disease
MEDFORD, OREGON -
As the Pacific Northwest enjoys summer, everyone comes outside, and that
means little ticks too. The Centers For Disease Control (CDC) reported
in 2002 nearly 24,000 cases of Lyme disease nationally, up 40 percent
from the previous year. Jackson and Josephine counties continue to lead
Oregon in west coast cases of Lyme disease.
Named for the town
of Lyme, Connecticut where the disease was discovered in the late
1970's, Lyme disease is now found in 49 states and the District of
Columbia. The Oregon Lyme Disease Network, started in 2003 (www.junipermeadow.com/lyme/)
reports that Lyme disease is the leading cause of vector-borne
infectious illness in the United States.
Carol Knapp,
Jackson County Health Department Communicable Disease nurse says, "We
have one case this year. We had one case in 2003 and one in 2002. But
many times clinicians don't report Lyme disease."
According to the
most current data, Jackson and Josephine counties combined have had an
average only five cases a year. At the beginning of July statewide there
were 17 reported cases of Lyme disease, up from eight cases at the same
time last year.
How does a person
get this disease? Well, Lyme disease is caused by an old bacterium,
Borrelia burgdorferi that lives in the Black-legged tick, Ixodes
pacificus, and the Deer tick, Ixodes scapularis. Experts still don't
understand how these ticks lives their complicated life cycles - in
other hosts like deer and mice - and then on people. What is clear is
that avoiding tick bites can help you avoid the disease.
Knapp says the
best way to avoid ticks is "with good protection. Wear long sleeves when
heading outside. Wear light-colored clothes so that you can see the tick
more easily. The longer the tick is attached, the more likely that it
can spread disease. When you come in from outside, check yourself for
ticks. Check around waistbands, leg bands in underwear, where cuffs are,
and around hairlines."
"Wearing tick
repellant on your clothing can help too. DEET (N, N diethyl-m-toluamide,
an insect repellent developed by the U.S. Department of Agriculture in
1946) can be applied to the skin or permethrin (kills ticks on contact)
to your clothing," says Knapp. Ticks live on moist grasses hoping to get
a ride on some animal. It's a good idea to wear boots and tuck your
pants into them.
Prompt tick
removal can reduce your chances of getting Lyme disease or other
tick-borne illnesses like Rocky Mountain Spotted Fever and Human
Granulocytic Ehrlichiosis (HGE). The Jackson County Vector Control
District at 555 Mosquito Lane in Central Point, 779-6460, offers free
Lyme disease brochures, posters, tick ID cards and handy tick removers.
And, if you do get
a tick bite, carefully remove it, save it, and take it to Vector Control
for a free-to-you Lyme disease screening. You can remove a tick safely
with a tick remover or a credit card. Using the side of the card, scrape
and push the tick off. Using this method, instead of tweezers, you're
more likely to get the head (and mouth) out.
So far in 2004,
Vector Control sent the 38 suspect ticks (including one from my husband)
to the Public Health lab and none have turned up positive for Lyme
disease. In Jackson County, usually about three percent of the ticks
test positive for the disease.
Just what is Lyme
disease? Well, I can tell you from first hand knowledge. After an
infected tick bite (In my case, hiking in Maine), about half the victims
develop a bulls-eye shaped rash (I never saw a rash.). About 5 months
after the bite, I developed persistent flu symptoms (But I had been
stressed-out). My head and joints ached. I was tired and listless and
ran a fever of 101 degrees for weeks (I was still hungry though, darn
it.). Once my doctor isolated the illness (If the first test, a blood
test for antibodies, comes back positive, they do another test, a
Western blot). She prescribed a whole month of antibiotics. It took
about 6 months to feel recovered, but I have had one relapse.
Avoid coming into
contact with ticks. Keep them off your animals too. Check each other for
ticks when you come in for the day. If Lyme disease is left untreated it
causes nervous-system disorders, arthritis, heart trouble and severe
headaches. It can cause lifelong illness and very rarely, death.
For more
information, check these websites:
http://www.jacksoncountyvectorcontrol.org/ticklyme.shtml
http://www.niaid.nih.gov/publications/tick.htm
http://www.dhs.state.or.us/publichealth/acd/lyme/index.cfm
http://www.cdc.gov/ncidod/dvbid/lyme/
http://www.lymenet.org/
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