Rates are also high in developing nations, where more than 80% of cervical cancer cases occur. Worldwide, cervical cancer is the third most common cancer among women and the second most frequent cause of cancer-related death, accounting for nearly 300,000 deaths annually. In developing nations, it is often the most common cause of cancer-related death among women and a leading cause of death overall. Virtually all cases of cervical cancer are caused by specific types of human papillomavirus (HPV). There are more than 100 types of HPV, of which more than 40 can be sexually transmitted.
S. pneumoniae is one of the most common causes of bacterial meningitis in adults and young adults, along with Neisseria meningitidis, and is the leading cause of bacterial meningitis in adults in the USA. It is also one of the top two isolates found in ear infection, otitis media. significant human pathogenic bacterium, S. pneumoniae was recognized as a major cause of pneumonia in the late 19th century, and is the subject of many humoral immunity studies. S. pneumoniae resides asymptomatically in the nasopharynx of healthy carriers.
Pneumonia facts. 1  Pneumonia is inflammation of the airspaces in the lungs, most commonly due to an infection. 2  Pneumonia may be caused by viruses, bacteria, or fungi. 3  The most common bacterial type that causes pneumonia is Streptococcus pneumoniae.