Doctors in the U.S. wrote 506 annual antibiotic scripts for every 1,000 people , with 353 being medically necessary .
About a third of antibiotic prescriptions written in outpatient settings in the United States were not appropriate in 2010 and 2011 .
Doctors in the United States wrote 506 annual antibiotic scripts for every 1,000 people , with 353 being medically necessary .
About a third of antibiotic prescriptions written in outpatient settings in the United States were not appropriate in 2010 and 2011 .