Current guidelines recommend a combined schedule of a 13-valent pneumococcal conjugate vaccine (PCV13) and PPSV23 (23-valent polysaccharide vaccine) for asplenic individuals. We show that PCV13 induces a T-dependent immune response in asplenic individuals with β-thalassemia, but previous PPSV23s affect the memory B-cell response in a dose- and time-dependent manner. Clinical Trials Registration. NCT01846923.
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Fatal Waterhouse-Friderichsen Syndrome caused by Streptococcus pneumoniae in a vaccinated adult with traumatic splenectomy: A case report.
Leg Med (Tokyo)
February 2025
University of Modena and Reggio Emilia, Italy. Electronic address:
Waterhouse-Friderichsen Syndrome (WFS) is a rare but life-threatening condition characterized by massive adrenal hemorrhage. WFS represents one of the features of the Overwhelming Post-Splenectomy Infection, which occurs any time after spleen removal and is recognized as the most serious complication in asplenic patients. We report a fatal case of WFS resulting from Streptococcus pneumoniae infection in a vaccinated and splenectomized patient.
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BMC Infect Dis
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Internal Medicine resident, Fundacion Universitaria Juan N Corpas, Fundación Clínica Shaio, Dg. 115a #70c - 75, Bogotá, Colombia.
Background: Leptospirosis poses a diagnostic challenge owing to its wide array of symptoms, ranging from asymptomatic cases and febrile syndromes to severe disease with a high mortality rate. Risk factors are associated with exposure and the immune response, particularly in immunosuppressed patients.
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