Causes of antibiotic resistance Antibiotic resistance is a natural process that occurs over time when antibiotics are used, usually due to genetic changes in the bacteria. However, antibiotic ...

At that time, about 60% of all staph infections were resistant to penicillin. In both the hospital and the community, antibiotic resistance has emerged as a major public health problem.

High levels of antibiotic resistance in bacteria are causing life-threatening bloodstream infections, according to the latest report released by the WHO. For the first time, the Global ...