Scientists are not the only ones concerned about resistance to antibiotics. Government leaders are also worried. In March, U.S. President BarackObama announced a new five-year plan to fight antibiotic-resistant bacteria. He called the issue one of the most serious modern-day public health threats. Before meeting with science advisors, President Obama told reporters at the White House that many people take antibiotics for granted. To take something for granted means to not fully see the value of something because it has been around for so long and is so common