Posted on 06/12/2003 5:53:52 AM PDT by GailA
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U.S. bans prairie dog sale, trade Smallpox vaccine recommended to control spread of exotic disease
By DANIEL YEE, Associated Press June 12, 2003
ATLANTA - The U.S. government banned the sale of prairie dogs, prohibited the importation of African rodents and recommended smallpox shots Wednesday for people exposed to monkeypox, the exotic African disease that has spread from pet prairie dogs to humans.
The government's aggressive response to the disease came the same day that the federal investigation of the monkeypox outbreak was expanded to eight more states, including Tennessee, bringing the total to 15.
Prairie dogs in Knoxville The Knoxville Zoo opened its Prairie Dog Pass exhibit in April 1998 with eight black-tailed prairie dogs acquired from other zoos. Three of those animals are still on exhibit, and no new prairie dogs have been obtained, said zoo spokesman William Becker.
Prairie Dog Pass, located in the Kids' Zoo, features tunnels that let children and adults "pop up" in plastic domes in the exhibit to better view the prairie dogs.
Neither of two area veterinary practices with veterinarians who have treated prairie dogs - Copeland Animal Hospital in Cookeville and Seymour Veterinary Clinic - has seen any pet prairie dogs for possible cases of monkeypox, said employees at both.
Larry Brown, owner of the Critter Barn pet store on Sutherland Avenue, said all Knoxville-area pet stores that sell prairie dogs get the animals from a single wholesale distributor.
"None of them have (monkeypox)," Brown said. "I can say that for sure."
The smallpox vaccine can prevent monkeypox up to two weeks after exposure to the virus, but is most effective in the first four days.
"We're optimistic we can deliver the vaccine to these people in time to do good," said Dr. David Fleming, deputy director for Public Health and Science at the Centers for Disease Control and Prevention.
This is the first outbreak of monkeypox in the Western Hemisphere.
"We must do everything we can to protect persons who are exposed to monkeypox in the course of investigating or responding to the outbreak," CDC director Dr. Julie Gerberding said.
Fleming said he is confident the disease will be controlled.
"Monkeypox is a disease that is potentially transmissible from person to person but at a fairly low level," he said. "I don't anticipate the same kind of problem that we anticipate from SARS."
The Department of Agriculture will be in charge of enforcing the prairie dog ban, which also prohibits transporting the animals. Gambian rats and five other types of large African rodents were banned because a Gambian rat is believed to have spread the virus to prairie dogs, which are actually rodents and are native to the American Plains.
Fleming said the smallpox vaccine is 85 percent effective against monkeypox. The smallpox vaccine is widely available because states stocked up on it out of fear of bioterrorism. More than 37,000 health workers in the United States have been vaccinated as a result.
"State health departments have been actively involved in planning and preparing for the possibility of a bioterrorist event," Health and Human Services Secretary Tommy Thompson said. "We are now seeing that this level of preparation can also assist in unexpected, natural outbreaks."
The CDC said health care workers, veterinarians and family members who have cared for or had close contact with infected people or animals should get vaccinations. The agency also warned veterinarians and doctors to be on the lookout for the symptoms, especially in owners of prairie dogs or exotic rodents from Africa.
CDC officials didn't know how many people would have to be vaccinated, but Fleming said he expected the number to be modest.
About 40 out of every million people vaccinated for the first time will face a life-threatening injury, and one or two will die.
Still, the CDC is recommending even pregnant women, children and people with eczema - for whom the vaccine is not recommended - who have been exposed to infected prairie dogs get the vaccine.
"Because of the real risk here ... we're recommending a somewhat aggressive approach of who should get the vaccine," Fleming said.
Monkeypox-infected prairie dogs distributed from Phil's Pocket Pets of Villa Park, Ill., may have been sold to numerous buyers in 15 states since April 15, according to a Department of Agriculture emergency warning issued Wednesday.
Besides Tennessee, the states where possibly infected prairie dogs were being sought were Kentucky, Florida, Mississippi, Massachusetts, Michigan, New Jersey, New York, Illinois, Indiana, Wisconsin, Pennsylvania, Texas, Ohio and South Carolina.
Later Wednesday, health officials in Mississippi said they had ruled out a possible threat, saying two animals shipped to the state from the Illinois pet shop turned out to be a pair of healthy flying squirrels.
As of Wednesday, health officials had confirmed a total of nine human cases of the disease - four in Wisconsin, four in Indiana and one in Illinois. Fifty-four possible cases had been reported - 25 in Indiana, 17 in Wisconsin, 11 in Illinois and one in New Jersey, CDC spokesman Tom Skinner said.
No one has died of the disease.
Monkeypox, which produces pus-filled blisters, fever, rash, chills and aches, is a milder relative of smallpox. It has a mortality rate of 1 percent to 10 percent in Africa, but U.S. officials believe better nutrition and medical treatment here probably will prevent deaths.
Investigators are seeking people who have bought or swapped exotic pets distributed since April by Pocket Pets, where a shipment of prairie dogs is believed to have been infected by a Gambian giant rat imported from Africa.
Peter Jahrling, scientific adviser at the Army Medical Research Institute for Infectious Diseases, said exotic animals may in the future have to be put in quarantine and examined thoroughly for diseases. That has worked for imports of primates, which spread yellow fever in the 1930s and suffered from Ebola in 1989.
I don't know who we should blame it on, but I do know the CDC is terrified at the very real possibility that some of the " How Cute !" crowd will decide to release sick animals into the wild " So they'll, you know,like have a chance to survive, man !"
This disease can jump across species barriers: Gambian rats to prairie dogs, to people, to squirrels, to rabbits, to mice and rats-you get the picture-and it IS potentially fatal to humans.
There's been a lot of foolishness going on in this world, and one of the stupider things we have done is to eliminate universal smallpox vaccination-I suspect because the ladies didn't like those "ugly scars".
For another thing, we should have had an ABSOLUTE EMBARGO on "exotics"-years ago. Given the number of stray cats and dogs,abandoned horses, etc., we need more "pets" like a hole in the head !
Or wait, would that be "closing the door after the rats and prairie dogs already got in here"?
What I don't get is why anyone would need to keep one as a pet. Aren't they supposed to live in those "prairie dog towns" out on the Plains somewhere? Jeez, get a spaniel if you want something cute!
Pretty weak arguement. It is people who want "exotic pets", such as the gambian rat. Why anyone would want a rodent for a pet is beyond me.
a) Not all states are created equal (some are dumber than others - one sinks we all sink)
b) How would one control access across borders including trade - checkpoints between states?
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