Despite the fact that some researchers claim the swine flu is already declining, we are still on the verge of a pandemic that threatens to spiral out of control if we don’t take action. However, the major problem was to understand the virus, because there are still many things we have yet to find out [...]
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A recent study has shown one of the world’s most dangerous viruses, the human immunodeficiency virus (HIV) unprecedented detail. They analyzed just the sexually transmitted version. Scientists found that among billions of HIV variants only a few lead to sexual transmission.
George M. Shaw, M.D., Ph.D., professor in the UAB departments of [...]
Viruses are sub-microscopic infectious agents that need other cells in order to reproduce. In fact, some scientists claim that viruses are not living beings, as they do not meet the criteria of the definition of life, because they don’t have cells; but they do have genes and evolve by natural selection. Still, they can be [...]
Tuesday, May 5, 2009
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