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Tag: "flu" at biology news

Duke to test bird flu vaccine dosing

...ll test a modified form of an investigational bird flu vaccine to determine whether the vaccine still tri...curs," he said. The study will use an inactivated flu virus vaccine based on a strain taken from a Vietnamese patient in 2004. "There is no live flu virus...

H5N1 avian flu virus vaccine induces immune responses in healthy adults

...ficials worldwide. The potential for a human avian flu pandemic looms large, say experts, as daily report... 24, 2006, 186 people had been infected with avian flu viruses, and more than half of them had died. Generally, flu viruses are easily transmitted from p...

Sweetgum tree could help lessen shortage of bird flu drug

...ical needed to make a lifesaving drug against bird flu ?a drug that is currently in short supply worldwid... as Tamiflu® ?which is used to fight many types of flu viruses. Some health experts believe that this and similar antiviral drugs could help save lives by ...

UW scientists unravel critical genetic puzzle for flu virus replication

...uch is known about the genes and inner workings of flu viruses, how the microbe organizes its genetic con... of biology. Now, with the help of a long-studied flu virus, an electron microscope and a novel idea of how the virus aligns segments of RNA as it prepare...

Horse antibodies against the bird flu virus H5N1 are effective as treatment in mice

Antibodies against the bird flu virus H5N1, derived from horses, prevent mice infected with H5N1 from dying from the virus. A study published today in the open access journal Respiratory Research ( http://respiratory-research.com ) reveals that a dose of 100 µg of horse anti-seru...

Researchers reverse juvenile diabetes in animal model

... The symptoms of type 1 diabetes can resemble the flu in children. Type 1 diabetes tends to run in families. Brothers and sisters of children with type 1 diabetes have about a 10 percent chance of developing the disease by age 50. The identical twin of a person with type 1 diabetes has a 25 percent to...

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

...or receptor that is the key that permits the avian flu virus to enter a cell. Flu viruses, like many oth...rinary Medicine, is that existing strains of bird flu must undergo key genetic changes to become the type of flu pathogen most feared by biomedical scient...

Medical experts: US unlikely to have enough vaccines to stop avian flu

...p of medical experts who attended a national avian flu conference last fall believe there is little chanc...ugh vaccine or antiviral medication to stop a bird flu pandemic should the virus mutate into a form that can be spread easily from human to human, accordin...

Potential vaccine developed for deadly leishmaniasis disease

... ?the empty envelope of the influenza virus. These flu virus shells contain none of the infectious genetic material in full-fledges flu viruses. The virosome also acts as an "adjuvant," boosting the immune response of the candidate vacc...

New influenza vaccine takes weeks to mass produce

...oday at the 2006 ASM Biodefense Research The next flu pandemic could happen any time," says Keyang Wang, a scientist at Protein Sciences Corporation (PSC) and a researcher on the study. "The most effective method to control such an outbreak is the widespread use of a vaccine, preferably in a pro-active...

Flu not the only germ threat this time of year

The flu hasn't even hit hard yet this year, but it seems l...ere are a lot more infectious invaders besides the flu to worry about. They don't get the big headlines, but they still knock people down for days or weeks...

Researchers reveal lung's unique innate immune system

...that could infect the lower airways, such as a new flu strain or bioterrorist agents," said Raz. The researchers' data outlines a complex circuit in which the alveolar macrophages circumvent the inhibition by TGFb for brief period of time, in order perform their immune task. This is accomplished thro...

How can we protect patients with weakened immune systems from influenza?

The flu is bad enough for healthy people, but the disease ... added concerns over potential threats -- an avian flu pandemic or the use of flu as a weapon of biological warfare -- put anti-flu measures into the categ...

Avian flu modeled on supercomputer, explores vaccine and isolation options for thwarting a pandemic

...ould be particularly effective in slowing pandemic flu spread in the U.S.," added Longini. The results show that advance preparation of a modestly effective vaccine in large quantities appears to be preferable to waiting for the development of a well-matched vaccine that may not become available until a...

Tamoxifen for breast cancer prevention does not benefit most women

...e 1.67-percent risk level. In comparison, annual flu shots cost about $980 per year of life saved for patients ages 65 and older; colonoscopy every 10 years costs about $11,000 per year of life saved for people 50 and older; and annual mammography costs about $58,000 per year of life saved for women ag...

Scientists aim to thwart use of flu as bioweapon

...birds infected with the deadly H5N1 strain of bird flu are gradually broadening the scope of that disease...tists are discussing ways to better understand the flu and also how to prevent the possibility that terrorists could somehow modify flu as a bioweapon to m...

High-dose flu vaccines appear to safely boost immunity in elderly

... virus have been available for 50 years to prevent flu and its complications, according to background inf...ecrease with age, however, and currently available flu vaccines are not always effective in the elderly. Recommended vaccines contain 15 micrograms (ìg) o...

Bird flu study highlights need to vaccinate flocks effectively

...s could make the spread of deadly strains of avian flu such as H5N1 worse, scientists at the Universities...commercial poultry against highly pathogenic avian flu like H5N1 is proving controversial because it is thought that it can lead to unseen transmission bet...

H5N1 vaccine could be basis for life-saving stockpile

... the team mixed genes from a safe, laboratory bird flu virus with a gene for the hemagglutinin (HA) protein from the H5N1 virus isolated in Hong Kong. The virus uses the HA proteins on its surface to infect cells in the respiratory tract. The resulting vaccine had the outside appearance of a dangerous vi...

Scientists to employ Arctic ice and polar bears to protect diversity of world's crops

... the team mixed genes from a safe, laboratory bird flu virus with a gene for the hemagglutinin (HA) protein from the H5N1 virus isolated in Hong Kong. The virus uses the HA proteins on its surface to infect cells in the respiratory tract. The resulting vaccine had the outside appearance of a dangerous vi...

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