This video is from a presentation given in collaboration with Meigs County Health Department and the Southeast Regional Epidemiologist, Mikie Strite on 8/31/17.
From Associated Press/CBS News August 17th, 2017
WASHINGTON — Diagnosing if a tick bite causedcan be difficult but scientists are developing a new way to do it early — using a “signature” of molecules in patients’ blood.
It’s still highly experimental, but initial studies suggest the novel tool just might uncover early-stagemore accurately than today’s standard test, researchers reported Wednesday. And it could tell the difference between two tick-borne diseases with nearly identical early symptoms.
“Think about it as looking at a fingerprint,” said microbiology professor John Belisle of Colorado State University, who helped lead the research.
Lyme disease is estimated to infect 300,000 people in the U.S. every year. Lyme-causing bacteria are spread by—also called deer ticks — primarily in the Northeast and Midwest, although their range is spreading. Lyme typically starts as a fever, fatigue and flu-like symptoms — often but not always with a hallmark bulls-eye rash — and people usually recover quickly with prompt antibiotics. But untreated, Lyme causes more serious complications, including swollen joints and arthritis, memory and concentration problems, even irregular heartbeat.
The EPA has provided a couple new tools and graphics to assist the public in making an informed choice when picking an insect repellent to help prevent insect vectored diseases from mosquitos and ticks.
The first is a graphic that will appear on products that will show what insects it works against and how long until reapplication is needed called the Repellency Awareness Graphic:
The second is a selection tool where you enter your criteria on ingredients, time needs and potential insect exposure and it shows the products and ingredients available:
Both of these should make it easier for the public to make informed choices about what works and what does not when protecting their family.
Transmission of Powassan Virus from infected ticks has been found to be much shorter in mice than for other tick vectored diseases.
Infected deer ticks (Ixodes scapularis) were allowed to attach to naive mice for variable lengths of time to determine the duration of tick attachment required for Powassan (POW) virus transmission to occur. Viral load in engorged larvae detaching from viremic mice and in resulting nymphs was also monitored. Ninety percent of larval ticks acquired POW virus from mice that had been intraperitoneally inoculated with 10(5) plaque-forming units (PFU). Engorged larvae contained approximately 10 PFU. Transstadial transmission efficiency was 22%, resulting in approximately 20% infection in nymphs that had fed as larvae on viremic mice. Titer increased approximately 100-fold during molting. Nymphal deer ticks efficiently transmitted POW virus to naive mice after as few as 15 minutes of attachment, suggesting that unlike Borrelia burgdorferi, Babesia microti, and Anaplasma phagocytophilum, no grace period exists between tick attachment and POW virus transmission.