For years, the antibiotic colistin was known as the best chance to combat antibiotic resistance. But journalist Maryn McKenna says there’s bad news.
Use of antibiotics to grow farm animals has been blamed for growing antibiotic resistance in humans across the United States. New rules could help curb that.
Tyson Foods announced it would suspend purchases of cattle treated with a controversial drug. Concerns for animal welfare or for sales in other countries?