Microscopy of bronchial aspirate showing gram-positive bacilli. A 71-year-old male with a history of chronic obstructive pulmonary disease (COPD) developed fever, anorexia, and shortness of breath. He ...

Gram staining is one way scientists can identify bacteria. Gram-positive bacteria, such as Staphylococcus, appear blue or purple under a microscope when scientists apply a stain. Conversely, ...

Compared with other urine analysis methods, urine Gram stain has a moderate predictive value for detecting gram-negative bacteria in urine culture but does not significantly improve urinary tract ...

PHILADELPHIA, PA—The antibiotic telavancin was generally well tolerated and had a safety profile similar to vancomycin in patients with cancer and bloodstream infections, results of a prospective ...

Anaerobic isolates were tested for bacterial inhibitory activity. Of 144 isolates, 102 were from oropharyngeal washings, and 42 were from clinical specimens. Thirteen facultative bacterial species ...