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Volume 31, Number 11—November 2025

CME ACTIVITY - Synopsis

Haematospirillum jordaniae Infections after Recreational Exposure to River Water, Pennsylvania, USA, 2020

Melissa Dulcey, Katherine M. DeBordComments to Author , Melissa E. Bell, Meghan T. Murray, Adam M. Szewc, Kate Livingston, Brendan Headd, John R. McQuiston, Eva Gordian-Rivera, Ben W. Humrighouse, Allison Longenberger, and William A. Bower
Author affiliation: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (M. Dulcey, K.M. DeBord, M.E. Bell, M.T. Murray, A.M. Szewc, K. Livingston, B. Headd, J.R. McQuiston, B.W. Humrighouse, W.A. Bower); Pennsylvania Department of Health, Harrisburg, Pennsylvania, USA (M. Dulcey, M.T. Murray, E. Gordian-Rivera, A. Longenberger)

Main Article

Table

Laboratory results during initial hospital admission of 4 patients with Haematospirillum jordaniae infections with recreational water exposure in 3 of 4 cases, Pennsylvania, USA, 2020*

Laboratory values Patient 1 Patient 2 Patient 3 Patient 4
Leukocyte count, cells/μL 21,800 (3,900–9,500) 24,200 (3,900–9,500) 22,430 (4,000–10,800) 21,000 (4,000–11,000)
Neutrophil count, cells/μL 18,300 (1,800–7,400) 20,570 (1,800–7,400) 17,620 (1,800–7,700) 18,000 (1,700–7,800)
Platelets/μL 394,000 (140,000–366,000) 413,000 (140,000–366,000) 247,000 (140,000–400,000) 265,000 (140,000–400,000)
Creatinine, mg/dL 0.87 (0.7–1.3) 0.75 (0.6–1.2) 0.8 (0.6–1.2) 0.91 (0.7–1.3)
Hemoglobin, g/dL 15 (12.8–16.6) 13 (11.7–15.1) 15.3 (14.0–16.8) 14.3 (13–17.3)
Calculated eGFR non-African American, mL/minute/1.73 m2 117 (>90) 104 (>89) >60 (>60) >90.0 (>90)

*Values in parentheses are hospital laboratory reference values. eGFR, estimated glomerular filtration rate.

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Page created: September 06, 2025
Page updated: December 04, 2025
Page reviewed: December 04, 2025
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