Related Experiment Video
Updated: Aug 8, 2025

An Ex vivo Assay to Study Candida albicans Hyphal Morphogenesis in the Gastrointestinal Tract
Published on: July 1, 2020
Mucorales/Fusarium Mixed Infection in Hematologic Patient with COVID-19 Complications: An Unfortunate Combination
Andrea Marino1,2, Maddalena Calvo3, Laura Trovato1,3
1Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy.
Abstract:
Hematological diseases, especially those causing severe neutropenia, represent the main factor in the development of invasive fungal infections (IFIs). Furthermore, COVID-19 has been considerably associated with IFIs due to immunological dysregulation, prolonged hospitalization in intensive care units, and immunomodulatory therapies. Opportunistic molds are correlated with elevated morbidity and mortality rates in these patients, due to immune impairment, diagnostic complexity, and therapeutic challenges. Among opportunistic fungal infections, the Mucorales and Fusarium species are considered particularly aggressive, especially during severe neutropenia. A mixed Mucorales/Fusarium infection has been rarely described in scientific literature. Herein, we report a case of Mucorales and Fusarium co-infection in a patient with acute leukemia whose clinical history was also complicated by COVID-19. Herein, we report a challenging case in order to encourage the clinical suspicion of combined fungal infections in immunosuppressed patients, performing a punctual microbiological diagnosis, and promptly administering the correct empiric and targeted antifungal therapy.
Insights
Severe neutropenia and COVID-19 increase risks of invasive fungal infections (IFIs). This case highlights a rare co-infection of Mucorales and Fusarium in an acute leukemia patient, emphasizing prompt diagnosis and treatment.
Area of Science:
- Mycology
- Infectious Diseases
- Hematology
Background:
- Hematological diseases, particularly severe neutropenia, are primary drivers of invasive fungal infections (IFIs).
- COVID-19 exacerbates IFI risk through immune dysregulation, prolonged ICU stays, and immunomodulatory treatments.
- Opportunistic molds like Mucorales and Fusarium species pose significant morbidity and mortality risks in immunocompromised patients.
Observation:
- A rare case of mixed Mucorales and Fusarium co-infection is presented.
- The patient had acute leukemia and a history of COVID-19, complicating their clinical picture.
- This co-infection occurred in the context of severe neutropenia.
Findings:
- The study details a rare co-infection of Mucorales and Fusarium in an immunocompromised patient.
- Diagnostic challenges and therapeutic complexities associated with aggressive fungal pathogens are highlighted.
- The case underscores the aggressive nature of these fungi, especially during severe neutropenia.
Implications:
- Clinicians should maintain high suspicion for combined fungal infections in immunosuppressed patients.
- Accurate and timely microbiological diagnosis is crucial for effective management.
- Prompt administration of appropriate empiric and targeted antifungal therapy is essential for improving patient outcomes.
More Related Videos
Related Concept Videos
Fungal Group Zygomycota
Pneumonia III: Complications and Assessment
Fungal Phylum Microsporidia
Blood Transfusion and Agglutination
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
Bone Marrow Sampling and Transplants
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
Immunodeficiency Diseases
There are three main causes of immunodeficiency...

