For example , a third of people believe that antibiotics are effective for the common cold , and the common cold is the most common reason antibiotics are prescribed even though antibiotics are useless against viruses .
Up to half of antibiotics used in humans are unnecessary and inappropriate .
A third of people believe that antibiotics are effective for the common cold , and the common cold is the most common reason antibiotics are prescribed even though antibiotics are useless against viruses .
Up to half of antibiotics used in humans are unnecessary and inappropriate .