Swine flu virus 'stable,' WHO head says
Friday, June 26, 2009 - 12:56
in Health & Medicine
The H1N1 swine flu virus shows no signs of mixing with other influenza viruses, the head of the World Health Organization said Thursday.
The H1N1 swine flu virus shows no signs of mixing with other influenza viruses, the head of the World Health Organization said Thursday.