Spread of bird flu raises concern for humans, animal health body says
The spread of bird flu to an increasing number of species and its widening geographic reach have raised the risks of humans being infected by the virus, the head of the World Organisation for Animal Health (WOAH) said on Thursday.
The spread of bird flu to an increasing number of species and its widening geographic reach have raised the risks of humans being infected by the virus, the head of the World Organisation for Animal Health (WOAH) said on Thursday.