Updated: Friday, 27 Nov 2009, 9:16 AM EST
Published : Thursday, 26 Nov 2009, 10:16 PM EST
China must be alert to any mutation or changes in the behavior of the H1N1 swine flu virus because the far deadlier H5N1 bird flu virus is endemic in the country, a leading Chinese disease expert said.
For full article, click here: China Disease Expert Warns of H1N1 Mutation