But what are the differences between gram-positive and gram-negative bacteria? The names themselves date back to 1884, when Danish bacteriologist Hans Christian Gram developed a staining procedure to ...

Treatment of Gram-Positive Bacilli. Gram-positive bacilli infections are treated with antibiotics. Penicillin, cloxacillin, and erythromycin treat over 90% of gram-positive bacteria. ‌However ...