Resurgence of Mycoplasma pneumoniae infections in children: emerging challenges and opportunities

Ruben C.A. De Groot*, Bianca M.M. Streng, Louis J. Bont, Patrick M. Meyer Sauteur, Annemarie M.C. Van Rossum

*Corresponding author for this work

Research output: Contribution to journalReview articleAcademicpeer-review

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Abstract

Purpose of reviewTo summarize recent advances in Mycoplasma pneumoniae epidemiology, pathophysiology, diagnostics, and treatment, since the 2023-2024 global resurgence of M. pneumoniae following the COVID-19 pandemic has provided new insights.Recent findingsThe remarkably prolonged reduction of M. pneumoniae infections during COVID-19-related nonpharmaceutical interventions has shed new light on M. pneumoniae transmission, both on an individual and a global level. M. pneumoniae epidemiology showed striking differences in comparison with other respiratory pathogens, including RSV and pneumococcus. We discuss the possible mechanisms behind the delayed resurgence, including waning immunity and the persistence of M. pneumoniae reservoirs. There have been contrasting reports on disease severity with notable differences in severity between children and adults, with young adults showing marked vulnerability. The inability of M. pneumoniae diagnostic tests to differentiate between infection and carriage poses a continuing challenge: in daily clinical practice as well as in the interpretation of study results. Furthermore, several studies report safety and utility for tetracyclines and fluoroquinolones as treatment alternatives to macrolide antibiotics.SummaryThe global resurgence of M. pneumoniae following COVID-19 pandemic restrictions has provided a unique opportunity to study its epidemiology and pathophysiology, which has advanced our understanding of M. pneumoniae infections in children.

Original languageEnglish
Pages (from-to)468-476
Number of pages9
JournalCurrent Opinion in Infectious Diseases
Volume38
Issue number5
DOIs
Publication statusPublished - 1 Oct 2025

Bibliographical note

Publisher Copyright:
© 2025 The Author(s). Published by Wolters Kluwer Health, Inc.

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