Increasing toll of H7N9 bird flu demands constant vigilance

By Reuters | Fri, 17 Jan 2014 11:11 AM

By Kate Kelland, Health and Science Correspondent

LONDON, Jan 17 (Reuters) - A big wave of H7N9 bird flu cases and deaths in China since the start of 2014 is a reminder that emerging flu strains need constant surveillance if the world is not to be caught off guard by a deadly pandemic.

At least 24 H7N9 flu infections and three deaths have been confirmed in the past week by the World Health ...

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