Secretary for Food and Health Dr Ko Wing-man. Photo: Edward Wong Secretary for Food and Health Dr Ko Wing-man. Photo: Edward Wong
Secretary for Food and Health Dr Ko Wing-man. Photo: Edward Wong

new | More powerful test on chickens to boost defence against bird flu

Secretary for Food and Health Dr Ko Wing-man. Photo: Edward Wong Secretary for Food and Health Dr Ko Wing-man. Photo: Edward Wong
Secretary for Food and Health Dr Ko Wing-man. Photo: Edward Wong
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