Staphylococcus aureus is a gram-positive coccal bacterium that often colonizes the skin and mucosal surfaces. While it is part of the normal human flora, it…
Haemophilus parainfluenzae is a facultative anaerobic gram-negative bacterium commonly residing in the human upper respiratory tract. While generally part of the normal flora, it can…
Haemophilus influenzae bronchitis is a bacterial infection of the bronchial tubes caused by the Haemophilus influenzae bacterium. This respiratory condition may lead to acute or…