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Grizzly bears, black bears, wolves, coyotes, cougars/ mountain lions,bobcats, wolverines, lynx, foxes, fishers and martens are the suite of carnivores that originally inhabited North America after the Pleistocene extinctions. This site invites research, commentary, point/counterpoint on that suite of native animals (predator and prey) that inhabited The Americas circa 1500-at the initial point of European exploration and subsequent colonization. Landscape ecology, journal accounts of explorers and frontiersmen, genetic evaluations of museum animals, peer reviewed 20th and 21st century research on various aspects of our "Wild America" as well as subjective commentary from expert and layman alike. All of the above being revealed and discussed with the underlying goal of one day seeing our Continent rewilded.....Where big enough swaths of open space exist with connective corridors to other large forest, meadow, mountain, valley, prairie, desert and chaparral wildlands.....Thereby enabling all of our historic fauna, including man, to live in a sustainable and healthy environment. - Blogger Rick

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Sunday, September 16, 2012

Hantavirus was identified in 1993 as a disease that is spread from deer mice to humans through mice droppings............In the wild, this is not ususally a problem.......However, in enclosed structures like the sleeping tents in National Parks like Yosemite, it can be deadly.........Dust particles containing the virus get breathed in and can(although not often) cause respiration problems and even death...........The overly warm weather in combination with careless human food storage and disposal is thought to have increased the density of the mice this Spring and Summer in Yosemite and as a result, there have been 3 people who have died thus far from exposure

Yosemite officials trap, kill mice after hantavirus outbreak

A female deer mouse has a monitor attached to her left ear at the Adirondack Ecological Center in Newcomb, N.Y. Yosemite National Park is trapping and killing the deer mice, which can carry the deadly hantavirus, after an outbreak there over the summer.
SAN FRANCISCO - Yosemite National Park has begun trapping and killing deer mice whose growing numbers may have helped create the conditions that led to a hantavirus outbreak that has infected eight park visitors, killing three, public health officials said Tuesday.

Yosemite officials in recent weeks have warned 22,000 people who stayed in the park in California over the summer that they may have been exposed to the rodent-borne lung disease, which kills over a third of those infected.

The U.S. Centers for Disease Control and Prevention has also sounded a worldwide alert, saying visitors to the park's popular Curry Village lodging area between June and August may be at risk. Park officials have closed nearly 100 tent cabins in Curry Village infested with deer mice, which carry the virus.

"From an ecological perspective, it appears that there was an unnaturally high population of rodents in the area. We are being proactive and reducing the population," Danielle Buttke, a veterinary epidemiologist for the National Park Service, told Reuters.

California's Yosemite National Park is warning more than 20,000 past visitors they are at risk of exposure to the potentially deadly Hantavirus after it claimed another victim. Three people have died out of a total eight people infected after using cabins in the park this summer. NBC's Janet Shamlian reports.
Buttke said the mice were being trapped in several areas of the park for monitoring purposes but believed they were being killed only in the Curry Village area, using snap traps.
Seven of the eight people confirmed to have been infected are believed to have contracted the virus in the village, while one stayed elsewhere in the park.

'Perfect storm'
Public health officials trapped three times as many deer mice in the park's Tuolumne Meadows last week than were caught in a 2008 period, indicating that the deer mice population has grown, said Dr. Vicki Kramer, chief of vector-borne diseases at the state Public Health Department.

Dr. Charles Chiu, an infectious disease specialist at the University of California, San Francisco, said the growing deer mice population might help explain the outbreak."This could be an explanation for why we're seeing this particular cluster," Chiu said. "What you may have is the perfect storm of conditions: Increasing prevalence of deer mice and campers with the same or common exposure to (lodging) infested with deer mice." Officials are concerned that more Yosemite visitors could still get sick because the virus can incubate for up to six weeks after people breathe it in. There is no cure for the syndrome but early detection and hospital care increase survival rates.

The CDC warns that thousands of campers at Yosemite National Park could be at risk for the hantavirus. NBC's Miguel Almaguer reports.The virus can cause severe breathing difficulties and death. Early flu-like symptoms include headache, fever, muscle aches, shortness of breath and coughing.
Mice's role in ecosystem
Last month, authorities began trapping rodents in Yosemite to examine whether deer mice there were more likely to be infected with the hantavirus than deer mice elsewhere, Buttke said, but found they were not.

When authorities first identified the Yosemite hantavirus outbreak, rangers balked at the idea of trying to exterminate the deer mice, arguing that the mice play an important role in the Yosemite ecosystem.

But when they realized the deer mice population had swelled, they decided to thin it in an effort to rebalance the ecosystem, Buttke said. She theorized that weather combined with visitors bringing in food led to Yosemite's abundance of deer mice.
Deer mice release hantavirus in their urine and droppings. People can contract the virus when they breath contaminated air. Children rarely contract the virus, probably because it is often transmitted when adults sweep or vacuum droppings or cut and stack wood.

People usually contract the virus in small, confined spaces with poor ventilation. They also can become infected by eating contaminated food, touching tainted surfaces or being bitten by infected rodents.

The disease has killed 65 Californians and some 600 Americans since hantavirus was identified in 1993, but it has never been known to be transmitted from one person to another.

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Hellen Bush said...

There is a cure to Hantavirus,
My husband was infected with Hantavirus,and now he is completely cured from it.
we got the contact of Dr Ben from the Internet and we contacted him,
he gave us the medication which my husband used and it is a permanent cure,
and now he is living fine with me.
He also specialize in curing
Weak erection of the Pennis
any body with similar issues can contact the Doctor at

Rick Meril said...

happy that your husband is healed...........and thanks for the tip on how to contact Dr Ben