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Volume 31, Number 10—October 2025

Dispatch

Bat-Associated Hemotropic Mycoplasmas in Immunosuppressed Children, Spain, 2024

Fernando EsperónComments to Author , Bárbara Martín-Maldonado, Irene Iglesias, Elena Neves, Eleonora Seri, Paula García-Sanchez, Ángel Morillas-Mingorance, and Ana Méndez-Echevarría
Author affiliation: Universidad Europea de Madrid, Villaviciosa de Odón, Spain (F. Esperón, B. Martín-Maldonado, E. Neves, E. Seri); Consejo Superior de Investigaciones Científicas, Valdeolmos, Spain (I. Iglesias); La Paz University Hospital, Madrid, Spain (P. García-Sanchez, Á. Morillas-Mingorance, A. Méndez-Echevarría); Institute for Health Research, Madrid (P. García-Sanchez, A. Méndez-Echevarría); Carlos III Health Institute, Madrid (A. Méndez-Echevarría); CIBERINFEC, Madrid, Madrid (A. Méndez-Echevarría)

Main Article

Table

Characteristics of mycoplasma-positive patients in study of bat-associated hemotropic mycoplasmas in immunosuppressed children, Spain, 2024*

Characteristic Patient no.
1 2 3 4
Age, y/sex
 17/F
 2/F
 4/M
 13/M
Region of origin (type)
 Zaragoza (urban)
 Orense (rural)
 Estremera (rural)
 Madrid (urban)
Underlying pathology
 Papillorenal syndrome, renal transplantation
 Rhabdomyosarcoma, chemotherapy
 Alagille syndrome, liver transplantation
 Acute myeloid leukemia, hematopoietic stem cell transplantation
Mycoplasma detection, Ct
 33.95
 32.47
 33.44
 34.17
Blood parameters
Anemia diagnosis† No Yes No No
Type of anemia None Aplastic anemia‡ None None
Hb, g/dL 11.8 8.5 12.7 14.9
Hct, % 39.4 26.7 40.8 44.8
Hb after 4 mo, g/dL 11.9 9.3 12.8 14.9
Hct after 4 mo, % 37.4 29 42.2 44
Leukocytes <5,000
 No
 No
 830/mm3
 No
Splenomegaly†
 No
 No
 No
 No
Biochemical parameters
LDH elevation† No No No No
Bilirubin elevation† No No No No

*Ct, cycle threshold; Hb, hemoglobin; Hct, hematocrit; LDH, lactate dehydrogenase. †Hematologic data correspond to the day the PCR-positive blood sample was collected. ‡Secondary effect of chemotherapy.

Main Article

Page created: August 22, 2025
Page updated: September 08, 2025
Page reviewed: September 08, 2025
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