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Tag: "epidemics" at biology news

Fibril Shape Is The Basis Of Prion Strains And Cross-species Prion Infection

...ob disease appeared in humans after several recent epidemics of bovine spongiform encephalopathy or "mad cow" disease. Since then, barriers to the transmission of prion diseases between species "have emerged as a major public health issue," according to Eric Jones and Witold Surewicz of Case Western Reserve Un...

New winter hulless barley has high protein

...an annual basis during the past decade, and severe epidemics nearly devastated the crop in Virginia during 1998 and 2003. Scab-resistant wheat cultivars developed at Virginia Tech include "Roane," "McCormick," and "Tribute." ...

HIV-1 spread through six transmission lines in the UK

...HIV-1 epidemic is composed of smaller, independent epidemics defined by risk group, where we have found evidence for at least six larger sub-epidemics, which HIV monitoring, prevention and treatment programmes may want to take into account when developing new initiatives.?/p> More than 57,700 people in Bri...

Biologists discover why 10% of Europeans are safe from HIV

...pe (1347-1660) were in fact a continuing series of epidemics of a lethal, viral, haemorrhagic fever that used t...early Islamic empire (AD627-744). These continuing epidemics slowly raised the frequency from the original single mutation to about 1 in 20,000 in the 14th centu...

First North American Encapsulated Islet Transplant without Long-term Immune Suppression into a Patient with Type 1 Diabetes

...pe (1347-1660) were in fact a continuing series of epidemics of a lethal, viral, haemorrhagic fever that used t...early Islamic empire (AD627-744). These continuing epidemics slowly raised the frequency from the original single mutation to about 1 in 20,000 in the 14th centu...

To Stop Evolution: New Way Of Fighting Antibiotic Resistance Demonstrated By Scripps Scientists

...o the World Health Organization (WHO), large-scale epidemics of dysentery driven by this pathogen have been known to cause tens of thousands of deaths in Central America, South Asia, and central and southern Africa. Treating multiple drug-resistant bacterial infections can be a hundred times more expensive th...

Ebola virus: from wildlife to dogs

... 1976 the Ebola virus has caused some lethal human epidemics in Central Africa. Research now indicates that hum...ly available, only prevention and rapid control of epidemics by isolation of disease victims can limit its spreading. Since 2001, IRD research scientists and th...

WCS says avian flu prevention should focus on farms, markets

... Health' effort that is vital in keeping potential epidemics contained." In light of the recent outbreaks of avian flu in other regions, WCS proposed and with the United Nations Food and Agriculture Organization funded an expedition to Mongolia to examine the role of wild birds in the spread of avian influenz...

New U. of Colorado at Boulder flu chip may help combat future epidemics, pandemics

...ours may help world health officials combat coming epidemics and pandemics. Tests last month on the new techno...urn may aid health officials to stem potential flu epidemics and even pandemics," Rowlen said. The chip, which can be configured to test for all known flu virus...

Learning to love bacteria: Stanford scientist highlights bugs' benefits

... are usually considered in the context of harm and epidemics and so on," said Falkow. "But the fact is that a great number of organisms that infect humans come in and set up housekeeping as it were. There are no clinical symptoms of anything wrong and people take the organisms with them to their graves." It's...

Scientists look to the Bahamas as a model for coral reef conservation

... are usually considered in the context of harm and epidemics and so on," said Falkow. "But the fact is that a great number of organisms that infect humans come in and set up housekeeping as it were. There are no clinical symptoms of anything wrong and people take the organisms with them to their graves." It's...

Scientists develop malaria forecasting tool to predict disease risk

A new tool to predict epidemics of malaria up to five months in advance has been developed by a scientist at the University of Liverpool. The model uses predictions of climate variability to indicate the level of risk of an epidemic up to five months in advance of the peak malaria...

UGA study explains peaks and troughs of dengue epidemics

Scientists have long known that epidemics of dengue fever wax and wane over a period of seve...ng, understanding the factors that influence these epidemics has never been more important. A new study by researchers at the University of Georgia suggests th...

First-time analysis reveals millions of Europeans left at risk from influenza

...ross the EU. The real societal burden of influenza epidemics is often underestimated, and there is needless suffering and deaths that could be prevented by increasing the rate of vaccination to include all people at risk of influenza. Our hope is that this model will demonstrate the public health implications ...

U of S Vaccine and Infectious Disease Organization team discovers key step in flu virus replication

...ng live vaccines and antiviral drugs for influenza epidemics and pandemics. A provisional patent has been filed on the findings. "Given the health, economic and social consequences of influenza epidemics, the work of Dr. Zhou and her team demonstrates the importance of building influenza research capacity i...

Pattern of human Ebola outbreaks linked to wildlife and climate

...abon, while others lived in regions where no known epidemics had occurred. In 2003, Lahm was able to track down six of the people whose blood samples indicated that they had been exposed to the Ebola virus. Life history interviews revealed that some of the antibody-positive people had never visited a region ...

Air travel and flu: Post-9/11 restrictions delayed start of season

...h the northern and southern hemispheres, influenza epidemics occur annually during the winter flu season. Given the concerns about global epidemics of serious strains of flu, such as occurred in 1918, as well as the more recent, localized outbreaks...

Study illuminates how the plague bacteria causes disease

...on people are estimated to have died in the plague epidemics that devastated the ancient world, the researchers said. The successful weaponization of plague in the former Soviet Union bioweapons program also made the pathogen a primary biodefense concern. Additional medical concerns have arisen from the evolut...

Elusive rust resistance genes located

... of rust spores reducing the potential for disease epidemics throughout the crop. "Up until now it has been difficult to track Lr34 / Yr18 in wheat because of the masking effect of other resistance genes," Dr Lagudah says. "In addition, tests for Lr34 / Yr18 were slow and could only be done once per sea...

Will the plague pathogen become resistant to antibiotics?

...rces this warning". There have been many plague epidemics in human history, and Y. pestis is believed to have killed an estimated 200 million people. Plague is now regarded as a re-emerging disease, with small outbreaks all over the world. Because plague is often fatal, Y. pestis is a potential agent for bi...

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