Anti-drug posters are a mainstay of mass transit systems across the country. But this month Metro riders in Washington, D.C. -- particularly commuters who use the Capitol South and Union Station stops (in close proximity to Capitol Hill) -- are seeing cautionary ads that feature some unusual species of drug abusers: pigs, cows and chickens.
The advertising campaign, produced by the Pew Campaign on Human Health and Industrial Farming, is part of a national effort to ensure antibiotics remain effective...
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