Streptococcus 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.You have probably heard of pneumonia, which is an infection of the lungs. 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.neumonia 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.
Earlier I mentioned that the traditional way to run a PT-INR test is to have your blood drawn and sent to a lab, where the test is conducted. Another option for obtaining an INR is to use a point-of-care device, also known as a fingerstick testing device.
PT refers to prothrombin time, a type of blood test that measures a personâs blood clotting time. There are various ways to test PT and because of the differences of testing methods used by laboratories, INR or international normalized ratio is used to standardize the PT test results.