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New anti-flu drugs could become a reality

    Antivirals such as Tamiflu act on surface proteins, which are highly variable among different viruses. But the researchers found that, if they went deeper than the surface proteins, they could identify proteins which remain constant in evolution and therefore can be targeted more effectively with antivirals...



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    Effective communication of health news is needed to raise awareness and encourage behavior changes in populations who experience health disparities, or inequalities in health status, according to the U.S. Department of Health and Human Services...



Ill-health and retirement age

   The link between ill-health and retirement age varies markedly across European countries, according to new research from the University of York...



Health Tourism

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    New anti-flu drugs could become a reality

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A new report from Harvard Medical School explains how and why the swine flu virus is threatening humans and describes what to do if the infection reaches your community.The United States government declared a public health emergency as a result of an increasing number of cases of swine flu, a new type of influenza virus that contains genes from pig (swine), bird and human influenza viruses. Although the effect of the disease in the United States has been mild thus far, swine flu has killed many people in Mexico, and is spreading around the globe.

The infection is spreading in the U.S., Mexico, and other parts of the world.  The World Health Organization and the U.S. Centers for Disease Control and Prevention (CDC) have expressed concern that the illness could turn into a global pandemic. Global pandemics can cause great suffering, economic losses, and loss of life.

In response, Harvard Health Publications (HHP), a Division of Harvard Medical School, has published a Special Health Report, Swine Flu: How to understand your risk and protect your health. The report explains what the illness is, how it is diagnosed and treated, and how families and businesses can protect themselves against it—written in language that anyone can understand.

New anti-flu drugs could become a reality as a result of a study carried out by academics at the University of Hertfordshire.
Dr Andreas Kukol at the University of Hertfordshire's School of Life Sciences led a team which studied the evolution of proteins from more than 2,000 viruses, which included swine, avian and human flu.

Antivirals such as Tamiflu act on surface proteins, which are highly variable among different viruses. But the researchers found that, if they went deeper than the surface proteins, they could identify proteins which remain constant in evolution and therefore can be targeted more effectively with antivirals.

According to Dr Kukol, whose research has been published in the Journal of General Virology 2009, the reason that people need annual vaccinations against flu is because the surface proteins constantly change.

"We have shown that if proteins inside the virus can be disabled, then the virus can be stopped and will not spread any further," he said. Dr Kukol's research provides a basis for the development of new drugs to fight flu. He is currently developing it further and started to investigate small molecules as potential drug leads.

"We are currently checking lots of different molecules to see how they bind with the proteins," he said. "This is crucial right now with the outbreak of swine flu. Before swine flu, it was bird flu that was of concern and now there is grave concern that the two flu viruses could mix with serious consequences."