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, ...

Staphylococcus aureus bacteria are pathogens to both man and other mammals. They are gram positive bacteria that are small round in shape (cocci) and occur as clusters appearing like a bunch of grapes ...

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 ...