chemical formula a combination of symbols used to express the chemical components of a substance. empirical formula a chemical formula that expresses the proportions of the elements present in a substance.
The bacteria streptococcus pneumoniae is the most common cause of acute bacterial sinusitis. This type of bacteria can be resistant to the most common types of antibiotics at standard dosages, although there are other antibiotics that can be used to treat the condition.
The harmful bacteria that cause bacterial joint inflammation can enter your body via the skin, eyes, ears, mouth, nose, and mucous membranes. Some of the types of bacteria responsible for causing this infection include: 1  Staphylococcus aureus, which causes staph infections. 2  Streptococcus, which causes strep throat.