An 8-year-old child is taken to the emergency department after experiencing fever and chills for 24 hours. The temperature is 38.3 degrees Celsius (101 F). The patient is sluggish and has dry mucous membranes on inspection. No oropharyngeal abnormalities are seen, and the tympanic membranes are normal. Auscultation reveals clean lungs and good heart sounds. The abdomen is nontender and soft. There is no rash on the skin. According to laboratory results, the leukocyte count is 24,000/mm³, with 15% bands, 80% neutrophils, and 5% lymphocytes. The exhibit depicts a peripheral blood smear. . Blood cultures are obtained and intravenous fluids and empiric antibiotics are initiated. The patient's blood cultures are most likely to grow which of the following organisms?

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Eductional Objective: Because of frequent microinfarctions of the splenic vascular beds, patients with sickle cell disease become functionally asplenic during the first few years of life. This significantly raises the risk of fulminant infections caused by encapsulated bacterial species, notably Streptococcus pneumoniae. Patients with sickle cell disease are also more likely to get other bacterial infections, including salmonella osteomyelitis.

An 8-Year-Old Child Is Taken to the Emergency Department After