Nasal and pharyngeal swabs were obtained on the second day of the patients’ stays at the hospital. Among the strains, resistance to erythromycin was detected in 75 isolates. Isolation and ...

Two important classes of antibiotic are beta-lactams (e.g. penicillin) and macrolides (e.g. erythromycin), which are used to treat life-threatening infections such as meningitis. The fact that the ...