Simple mutations could make bird flu more deadly

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The following is an edited excerpt. 

Genetic mutations in two emerging “bird” flu viruses could turn them into potential sources of pandemics, Massachusetts Institute of Technology researchers report.

These two emerging flu strains, H5N1 and H7N9, originated in birds but as yet don’t spread easily to humans and aren’t transmitted from one person to another. However, that eventually might happen if the strains were to mutate in certain ways, the researchers said.

Read the full story here: Simple Mutations Could Make Flu Viruses More Deadly: Studies


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