borne disease information
for Washington State is of poor quality.
study of tick distribution
was done in 1990. Though it identified approximate locations
types of ticks found, an analysis of ticks for diseases was never done.
This map, no longer available,
essentially showed the distribution of the Ixodes pacificus
Lyme disease carrier) throughout the region west of the Cascade
A facsimile of this map is included under “Maps”
over time and without intervention, tick
populations can be
increase both in numbers and in geographic distribution.
without a tick disease
analysis or any supporting data, the Washington
Health continues to state Lyme disease is rare or absent in
the importance of the study on Lyme disease transmitted by the
angustus tick (referenced below) should be
noted. This tick has
the Far West ranging from Alaska to the desert southwest. The
tick distribution study showed this tick present in the semi-arid
area of Pullman
Lyme Disease - a Monograph and Guide
for Washington Physicians http://lyme.kaiserpapers.org/pdfs/Lyme
Disease WA Physician Guide Spach 1993-1.pdf
Note; Much of this information is
obsolete, incomplete, and incorrect.
statement that the EM rash occurs in 60%-80% of those infected
been proven wrong. Many symptoms of Lyme disease are not listed, such
cardiac complications. The treatment guidelines are
Disease in Washington State
British Columbia Zoonotic Disease Conference - 2010
presentation has some updated information and maps. However, it is not
and the "official" statistics given do not represent reality. The most
of information is the newly awarded grant to collect and test ticks.
The focus will be for
Ixodes pacificus ticks and Lyme disease on the west side of the Cascade
Washington. Hopefully, this study will be done in a competent manner
using the right
tests at the right laboratories. Otherwise, the results will
be inaccurate and misleading.