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Tag: "influenza" at biology news

Potential vaccine developed for deadly leishmaniasis disease

...vant into one package. The delivery vehicle is an influenza virosome ?the empty envelope of the influenza virus. These flu virus shells contain none of the infectious genetic material in full-fledges flu vi...

Anthrax inhibitor counteracts toxin, may lead to new therapeutics

...s for a variety of pathogens and toxins, including influenza and HIV," says Kane. The researchers tested their pattern-matching strategy by designing a polyvalent inhibitor for cholera toxin, demonstrating that this approach also could be used successfully to enhance the potency of polyvalent inhibitors direc...

Cell barrier shows why bird flu not so easily spread among humans

... 100 people have been infected with the H5N1 avian influenza virus, mostly from close contact with infected pou... of avian influenza. Periodically, animal forms of influenza such as bird flu evolve to become highly contagious human pathogens. Most scientists agree a pandem...

UW scientists unravel critical genetic puzzle for flu virus replication

Like any other organism, an influenza virus's success in life is measured by its genetic...p strategies to cope with the prospect of an avian influenza pandemic. "We've found that the influenza virus has a specific mechanism that permits it to packag...

H5N1 avian flu virus vaccine induces immune responses in healthy adults

...rate that high doses of an experimental H5N1 avian influenza vaccine can induce immune responses in healthy adu...ll cultures rather than grown in eggs. H5N1 avian influenza viruses are of enormous concern to public health officials worldwide. The potential for a human avia...

Simple idea to dramatically improve dengue vaccinations

...of physics and astronomy. "With diseases like HIV, influenza and Dengue, our acquired immune system's tendency to go-with-what-it-knows can leave us more vulnerable to infection from a mutant strain or a related virus. The immune system may respond less favorably in these cases than if it had never been expose...

Duke to test bird flu vaccine dosing

...ent strengths of a vaccine designed to fight avian influenza will begin this month at Duke University Medical Center. The Duke study is part of a multicenter trial that will test a modified form of an investigational bird flu vaccine to determine whether the vaccine still triggers a strong immune response at ...

Web model of influenza-host lifecycles will aid scientists in creating anti-viral drugs

...y" map linking the myriad interactions between the influenza virus and its human host will help guide researche...is intended to teach scientists about parts of the influenza lifecycle they might not be familiar with, and to help researchers look at specific reactions and fi...

Expert dispels bird flu paranoia

...s is extremely low," Dr Doneley said. "The avian influenza virus, like most other viruses and bacteria) is destroyed by adequate heating or cooking." ...

Wild birds help to create human flu vaccine

...ngolia to be used in development of human pandemic influenza vaccineAvian influenza virus samples collected from wild birds in Mongolia by field veterinarians from the New York City-ba...

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

...t can determine the genetic signatures of specific influenza strains from patient samples within hours may help...s new technology should help provide better global influenza surveillance by making it easier for more laboratories to swiftly identify severe flu strains, which...

Johns Hopkins flu expert calls for mandatory vaccination of health care workers

...f, more than 30 percent, believed they could catch influenza from the vaccine itself, which is false. Perl a...n be viewed as a means of protecting patients from influenza exposure and the related mortality seen among vulnerable populations. Vaccination should be presente...

Shorter colds, milder flu may follow from newly revealed immune mechanism

...n recovery from respiratory viral inflections like influenza or the common cold, which at present have no pharmacological cure. CCL5's role was discovered while Holtzman's group was testing mice that had respiratory infections. They found that the sick mice produced massive amounts of CCL5--about a hundred t...

First big influenza genome study reveals flu evolution

...nstitute for Genomic Research (TIGR) have captured influenza evolution in action. In a study published in this ...port the first large-scale project to sequence the influenza virus. The study offers a unique snapshot of the rapidly evolving flu virus in a human population--a...

New possibilities for flu antiviral and vaccine research emerge from 'Spanish flu' virus

...o lethal, thus providing essential information for influenza drug and vaccine research. The research appears ...t would work against virulent pandemic or epidemic influenza viruses," said Tumpey. "Science is publishing this study because it provides information necessary ...

Science's Breakthrough of the Year: Watching evolution in action

...- how does evolution actually work in the world of influenza genes and chimpanzee genes and stickleback fish armor? Studies that follow evolution in action claim top honors as the Breakthrough of the Year, named by Science and its publisher AAAS, the nonprofit science society. In 2005, scientists piled up n...

Agricultural workers at increased risk for infection with animal flu viruses

...ious Diseases. "Pigs play a role in transmitting influenza virus to humans," says NIAID Director Anthony S. F...ltaneously infected with both a human and an avian influenza virus, genes from these viruses could reassemble into a new virus that could be transmitted to and c...

Preventing a pandemic: Study suggests strategies for containing a flu outbreak

...ble to contain a Southeast Asian outbreak of avian influenza in humans, buying precious time for the production...ially cause a massive pandemic. "There were three influenza pandemics in the 20th century alone. The threat of another pandemic, related to avian influenza, is ...

On a wing and a prayer - Alaska researchers seek clues to bird flu

...lly in Alaska, following recent outbreaks of avian influenza in Southeast Asia and, last week, in Siberia. Ala...determine how many are infected and how strains of influenza virus jump from one species to another. Wild birds are the natural hosts of many influenza viral st...

Volunteers sought for avian flu vaccine study

...e to infection from avianinfluenza, as the current influenza vaccines do not protect against thisnew strain of ...ve occurred. Identified as H5N1, the strain of the influenza virus has shown a high mortality rate - approximately 72 percent - with many fatalities among previo...

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