Recurrent meningitis caused by <i>Streptococcus pneumoniae</i> serotype 15C associated with Wiskott-Aldrich syndrome
Bibliographic record
Abstract
Streptococcus pneumoniae is an encapsulated bacterium capable of causing invasive disease in susceptible individuals, including immunocompromised and asplenic patients. Wiskott-Aldrich syndrome (WAS) is a primary immunodeficiency disease with myriad manifestations; it can cause thrombocytopenia, platelet dysfunction, selective antibody deficiency, and predisposition to bacterial infections. A 24-year-old Métis man presented to a Northern Ontario emergency department with several days’ history of malaise, headache, and nuchal rigidity. Within 5 months, he presented again with similar symptoms. In both instances, S. pneumoniae serotype 15C was isolated from his cerebrospinal fluid. He was successfully treated with cefotaxime both times. The patient’s past medical history included WAS, splenectomy, Epstein-Barr virus-associated lymphoma treated with bone marrow transplant, and prior cases of pneumococcal meningitis and pneumonia. He was restarted on indefinite penicillin V prophylaxis. This is the first described case of WAS in a man of mixed European and Indigenous North American descent. We report recurrent invasive pneumococcal disease in an asplenic individual caused by an emerging invasive serotype.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.002 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".