new virus

(National Science Foundation) Researchers at Michigan State University have demonstrated how a new virus evolves, shedding light on how easy it can be for diseases to gain dangerous mutations.

The findings appear in the current issue of the journal Science.

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The federal government's unprecedented campaign to protect the nation against the swine flu pandemic has gotten off to a sputtering start, frustrating parents, pregnant women and others anxious to get immunized against the new virus.

WASHINGTON (AP) -- With swine flu continuing to spread around the world, researchers say they have found the reason it is - so far - more a series of local blazes than a wide-raging wildfire.

The new virus, H1N1, has a protein on its surface that is not very efficient at binding with receptors in people's respiratory tracts, researchers at the Harvard-MIT Division of Health Sciences and Technology report in Friday's edition of the journal Science....

ATLANTA (AP) -- Health officials have confirmed a case of swine flu that is resistant to Tamiflu, the leading pharmaceutical weapon against the new virus....

ATLANTA (AP) -- Scientists have identified a lethal new virus in Africa that causes bleeding like the dreaded Ebola virus.

The so-called "Lujo" virus infected five people in Zambia and South Africa last fall. Four of them died, but a fifth survived, perhaps helped by a medicine recommended by the scientists....

The new swine flu virus is spreading rapidly around the United States, and more than half of the states are reporting unusually high levels of flu-like illness at a time of year when the respiratory disease usually disappears, federal health officials said yesterday.

ATLANTA (AP) -- The new swine flu virus lacks genes that made the 1918 pandemic strain so deadly, a U.S. health official said Friday....