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The bacterium S. pneumoniae is the most common cause of community-acquired pneumonia. Techniques used to date would not identify these bacteria: (1) microbiology laboratories regularly report NRF but do not attempt further identification of these bacteria and cannot distinguish colonizing from infecting organisms; and (2) quantitative molecular techniques have not used primers that might detect NRF. Contamination with oral flora may invalidate results. Gram stain shows characteristic pairs of Gram-positive cocci suggestive of S pneumoniae as well as long chains of streptococci that are not consistent with pneumococcus. Heart of America Association of Blood Banks (HAABB), International Society of Blood Transfusion. Healthline Media does not provide medical advice, diagnosis, or treatment. A respiratory virus was found in 40 (33.3%) of 120 cases of CAP. Respiratory Viruses in 120 Cases of Community-Acquired Pneumonia. The median WBC count in peripheral blood of patients with pneumonia due to recognized bacteria (with or without viral coinfection) was 13100/mm3, compared with 11200 in patients with pneumonia due to NRF (with or without viral coinfection, P=.06) and 8400 in those with viral pneumonia alone (Table 5); in patients with viral infection, peripheral WBC count was significantly lower than in bacterial pneumonia (P=.01). ; GRACE consortium. Including results for RBP, NRF, and viruses, the present study identified an etiologic CAP in 95.8% of CAP. Ear: Normal flora of the skin of the healthy ear includes Staphylococcus epidermidis, Corynebacterium sp, and Staphylococcus aureus. Top answers from doctors based on your search: Created for people with ongoing healthcare needs but benefits everyone. C. difficile, also called C. diff, usually affects older individuals in hospital. In severe cases, you might require additional treatment like fluid therapy. (2018). In the absence of good clearance mechanisms and effective innate or acquired immune responses, such aspiration may be followed by the development of pneumonia. The American Society for Microbiology Our website services, content, and products are for informational purposes only.