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Currently is the seventh most common cause of pneumonia with an incidence of 4.1% in the US, 3.2% in Europe and 2.4% in Latin America (51), and the tenth most common cause of bloodstream infection with an incidence of 2.0% amongst hospitalized patients (2).is rarely associated with primary invasive infection.Carbon-14 also reveals whether a sample of ivory was removed from an animal before or after the 1989 ban on ivory sales.

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It operates as a true opportunist producing infection whenever it gains access to a suitably compromised host.

Patients most at risk include those with debilitating or immunocompromising disorders, those treated with broad-spectrum antibiotics and patients in ICU who are subjected to invasive instrumentation.

Chemotherapy, one of the most common cancer treatments, is not effective for everyone; as many as 40 percent of patients don’t respond to treatment.

Scientists are beginning to study the possibility of giving patients very small doses of chemotherapy drugs laced with a radioactive tracer. But they are large enough that, when a researcher views the patient’s blood a few hours later using AMS, she can determine whether the drug has successfully bound to DNA, as it is supposed to, or if something in the patient’s biological makeup stopped this binding from taking place.

In AMS, researchers direct a beam of cesium ions at a sample.