Severe Multisystem Sepsis Due to Acute Coxiella burnetii Infection in an Immunocompromised Individual: A Case Study
By
Yaozong Xia
Lin Fu
Xiu Cao
Xuxiang Zheng
Bin Nie
August 24, 2026
Clinical Scorecard: Severe Multisystem Sepsis Due to Acute Coxiella burnetii Infection in an Immunocompromised Individual: A Case Study
At a Glance
Category Detail
Condition Q fever due to Coxiella burnetii Key Mechanisms Intracellular infection leading to severe multisystem sepsis Target Population Immunocompromised individuals, particularly those on prolonged immunosuppressive therapy Care Setting Rheumatology and Immunology department
Key Highlights
Coxiella burnetii can cause severe disseminated illness in immunocompromised patients. Conventional microbiological tests often yield negative results in Q fever. Metagenomic next-generation sequencing (mNGS) can aid in timely pathogen detection. Doxycycline-based treatment led to resolution of fever and clinical improvement. Acute Q fever may present with nonspecific symptoms, complicating diagnosis. Guideline-Based Recommendations
Diagnosis
Consider serological testing for phase I and phase II antibodies. Utilize mNGS for patients with severe infections and negative conventional tests. Management
Initiate doxycycline-based treatment for confirmed cases of acute Q fever. Monitoring & Follow-up
Regularly assess clinical and laboratory parameters for improvement. Risks
Immunocompromised patients are at higher risk for severe manifestations of Q fever. Patient & Prescribing Data
Immunocompromised individuals with severe infections of unknown origin
Doxycycline is effective in treating acute Q fever with multisystem involvement.
Clinical Best Practices
Prompt recognition of Q fever in immunocompromised patients is crucial. Consider mNGS as an adjunct diagnostic tool in complex cases. Monitor for signs of sepsis and multisystem involvement in at-risk patients. Related Resources & Content
