Work Step by Step
The extensive use of antibiotics as well as gene transfer has led to more virulent, antibiotic-resistant strains of Streptococcus pneumoniae, Staphylococcus aureus, Enterococci and Escherichia coli.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.