1 At age 65, one out of three people has a hearing loss. 2  60 percent of the people with hearing loss are either in the work force or in educational settings.
The 3 main causes of pneumomediastinum are. 1  Alveolar rupture with dissection of air into the mediastinum. 2  Esophageal perforation. 3  Esophageal or bowel rupture with dissection of air from the neck or the abdomen into the mediastinum.
Pneumonia can be caused by many different bacteria, viruses, and even fungi. Pneumococcus is one of the most common causes of severe pneumonia. Besides pneumonia, pneumococcus can cause other types of infections too, such as:1  Ear infections. 2  Sinus infections.treptococcus pneumoniae bacteria, or pneumococcus, can cause many types of illnesses. Some of these illnesses can be life-threatening. Pneumococcus is the most common cause of bloodstream infections, pneumonia, meningitis, and middle ear infections in young children.