Tag: "eradication" at biology news

Bark Beetle Infestation Spurs Multifaceted Study

...e nearVirginia City, Nev. In the early 1900s, fire eradication on federal landbecame mandatory and most state and local governments followed suit. The regrown forests are now 120 years old and are two to ten times moredense than the original forests. These trees now compete intensely for resources,especially w...

Peptic Ulcer Treatment Improves Health, Saves Money

...d antisecretory maintenance therapy with H. pylori eradication used only if symptoms recurred. The analytica...ne year, patients who received immediate H. pylori eradication had fewer months with ulcers, fewer ulcer symptoms and lower treatment cost. "While the dramati...

Are CDC's 1997 Recommendations For Targeted Lead Screening Of Children Justified?

...latively easy to accomplishthrough regulation, but eradication of the remaining sources of lead will bemore difficult given that the primary source of lead exposure for children isdeteriorating lead-based paint in older homes. So despite the decline in BLLs inthe population as a whole, young children who live in...

DT104 Advice:How To Slow Salmonella Spread

...animal hosts -- andepidemiologists now believe the eradication of salmonella is impossible toachieve. Rather, veterinary efforts are now directed at breaking the cycles ofinfection, such as the "fecal-oral" cycle. If cattle feed is being contaminatedby manure of other animals -- because cattle walk through fee...

NIAID Doctor Successfully Treats Longest Case Of Malaria Infection On Record

...tion of malaria years after documented eradication occurred in the West Indies." That outbreak, reported in 1980, occurred when an individual with asymptomatic P. malariae infection was bitten by a mosquito, which resulted in the infection of dozens and dozens of people. ...

Cost Effective Prescribing For Duodenal Ulcers

(Varying efficacy of helicobacter pylori eradication regimens: cost effectiveness study using a decisio...influence on the comparative cost effectiveness of eradication strategies. In a commentary, Delany and Hobbs point out that prescribing for dyspepsia is now the l...

Pool Of Latently Infected, "Resting" Cells Established Early In HIV Infection

...dableobstacle to the ultimate control and possible eradication of HIV from aninfected person's body," says Tae-Wook Chun, Ph.D., an investigator in NIAID'sLaboratory of Immunoregulation (LIR). Adds LIR Chief and NIAID Director Anthony S. Fauci, M.D., "Latently infectedCD4+ T cells are potential sources of new v...

Treatment With IL-2 Plus HAART Markedly Reduces HIV In Immune System "Hiding Places"

...se a formidable obstacle to theultimate control or eradication of HIV from an infected person's body.Investigators at NIAID and elsewhere are developing strategies todiminish the amount of virus in these hiding places, speculating that asmaller pool of latently infected cells would more likely be controlledby th...

Jefferson Scientists Find Evidence Of Potentially Infectious HIV In Semen, Despite Inability To Detect Active Virus In Blood

...alof Medicine. "It suggests that potential eradication of the virus may be hampered bythis finding," says Dr. Pomerantz, who also directs Jefferson's Center for HumanVirology. "Some scientists have suggested that if you give enough and properdrugs to a patient, you can eradicate the virus. That still may...

H Pylori Screening To Reduce The Risk Of Gastric Cancer

...H pylori screening wascost-effective when H pylori eradication reduced the risk of gastric cancer ininfected individuals by as little as 15 percent. The analytical model alsoestimated that H pylori treatment guided by a simple blood test provided arelatively low cost per life-year saved. If elimination of H py...

Researchers Report Emergence Of Antibiotic Resistance During Vancomycin Therapy

...he importance vancomycin dosing to assure complete eradication of thebacteria", says Richard B. Roberts, M.D., a co-author of the report and anadjunct professor at Rockefeller and professor of medicine at New YorkHospital-Cornell Medical Center. A hopeful finding reported by the Rockefeller team is that a combin...

LSU Ag Center Brucellosis Specialist May Help Stem Bison Controversy

...ucellosis in Yellowstone since thebeginning of the eradication program in the 1940s. But the Yellowstone bisonwere ignored as long as brucellosis was present in many of the nation's domesticherds. "Now that Idaho, Wyoming and Montana are brucellosis free, ranchers areturning their attention to the Yel...

USGS scientist receives award for brucellosis research in Greater Yellowstone Area

...cance because of major, expensive brucellosis eradication programs in the United States and many other ...is now on the verge of completing brucellosis eradication in cattle. Soon, said Roffe, elk and bison of the Greater Yellowstone Area will be th...

Congress briefs: International congress on ecosystem health

...ginvading exotic pests. The economic advantage of eradication over control isthe essential difference between th... approaches, says Carey. UsingCalifornia's medfly eradication program as an example, Carey will outline sixpreconditions for launching an eradication campaign and...

Invasion of alien parasite halted; California coast cleared of African worm in abalone

...h the worms. Kuris and Culver devised an eradication plan, based on the "epidemicthreshold of transmiss...Kuris says, "Most broadly, as the first successful eradication of awell-established marine pest, this study breaches the defeatist fatalismassociated with introduc...

Gene therapy halts HIV replication in cells from infected patients

...s have suggested that HAART alone will not lead to eradication of the virus in the infected cells. In addition, the treatment is very expensive, requires a difficult regimen (four to six pills, two to three times daily) and has side effects such as loss of appetite and vulnerability to other infections. Furtherm...

International trade imperils U.S. plants, animals and crops

... in imports. "Our inspection and quarantine and eradication efforts must be commensurate with the increase in trade," D'Antonio said. D'Antonio's specialty is invasive plants in the Western U.S. and Hawaii. Among the plants she has studied are ice plant, a South African succulent that invades dune and shru...

Drug treatment interruptions boost immune response to HIV in Patients

... the end: continuous suppression or, ultimately, eradication of HIV. "While many patients would benefit from occasional breaks from drug therapy and its side effects, we are pursuing whether short interruptions in therapy can also act to instruct the immune system to control the virus, perhaps to a ...

Biological warfare: an emerging threat in the 21st century

... the World Health Organization (WHO) announced the eradication of this highly contagious and incurable disease. ``Simply put, smallpox represents a direct threat to the entire world,`` says Block, a professor of biological sciences and applied physics at Stanford. He points out that, although the disease has bee...

Ketek effective against respiratory tract infections with reduced susceptibility to other antibiotics

.... In addition, post-therapy test-of-cure bacterial eradication rates were higher in the Ketek-treated patients than in comparator treated patients (91.8% vs. 80.0% PPb population) and were consistent with the clinical cure rate.Community-acquired respiratory tract infections are among the most prevalent infectio...

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