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Antibiotic-free meat gets a foothold in US

Facing pressure from environmentalists and shareholder activists, major US food companies and restaurant chains are moving to limit antibiotics in farm animals raised for meat.

Blood test may help prevent overuse of antibiotics

An inexpensive blood test could one day tell doctors whether an infection is caused by a virus or a bacteria, and help prevent unwarranted prescribing of antibiotics, researchers said Wednesday.

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