As H5N1 bird flu continues to spread around the US, health officials recently found that 7 percent of dairy workers tested on farms in two states had evidence of recent infection — and some had signs of infection even when they didn’t feel sick.
PARIS, Nov 8 (Reuters) - France has stepped up its bird flu risk assessment to 'high' from 'moderate', it said on Friday in a decree that will trigger reinforced security measures around poultry farms.
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