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.
The pneumococcal vaccine protects against serious and potentially fatal pneumococcal infections. It's also known as the pneumo jab or pneumonia vaccine. Pneumococcal infections are caused by the bacterium Streptococcus pneumoniae and can lead to pneumonia, septicaemia (a kind of blood poisoning) and meningitis.