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May 21, 2003
U.S. IMMUNIZATION
NEWS
Looking for a
Vaccine to Defang the Lyme Tick
New York Times (www.nytimes.com)
(05/20/03) P. F1; Gorman, James
Researchers are
testing the efficacy of deer tick saliva against ticks in the hopes of
developing a vaccine that may prevent Lyme disease. Scientists say the vaccine
would not work against the bacteria that causes Lyme--rather it would kick in
only when a tick begins biting its prey. Dr. Jose Ribeiro and other researchers
at the National Institute of Allergy and Infectious Diseases note that tick
saliva possess a variety of components that not only relieves pain and stops
blood from coagulating but also subdue the host's immune system. Scientists are
investigating other tick control solutions as well, including feeding stations
for deer, and baited boxes for mice that are laced with a special tick pesticide
to treat the rodents' fur.
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"What's the point of vaccination if it doesn't protect you from the unvaccinated?"
-- Sandy Gottstein
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