Flushing/locking long-term CVCs with an antibiotic appeared to reduce gram-positive CVC-related infections in people with cancer. It must be noted that the use of an antibiotic flush/lock solution may ...

The first group was dubbed "gram-positive," while the latter was designated "gram-negative." Related: Dangerous 'superbugs' are a growing threat, and antibiotics can't stop their rise. What can?

Oxazolidinones usually work only against Gram-positive bacteria. The Notre Dame team shows that once the antibiotics breach the microbes’ defenses, they can also kill Gram-negative bacteria ...

First, gram-negative bacteria have a thin cell wall that is about 1.5 to 10 nanometers across, whereas gram-positive bacteria have a thick cell wall measuring about 20 to 80 nanometers.