FindTrial
Sign In

Research of Prevalence and Clinical Features of Q fever and Strain Type of Coxiella burnetii in A Non-Pasturing Area

Research of Prevalence and Clinical Features of Q fever and Strain Type of Coxiella burnetii in A Non-Pasturing Area

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100051550
Enrollment
Unknown
Registered
2021-09-26
Start date
2021-11-01
Completion date
Unknown
Last updated
2022-06-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Q fever

Interventions

chronic Q fever group:none
acute Q fever group:none
convalescent Q fever group:none
Unexplained fever group:none
Culture-negative infective endocarditis group:none
hepatitis of unknown orgin group:none

Sponsors

The University of Hong Kong-Shenzhen Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
12 Years to 90 Years

Inclusion criteria

Inclusion criteria: A retrospective study of Q fever cases diagnosed at the University of Hong Kong Shenzhen Hospital from January 1, 2015 to October 31, 2021; prospective study subjects were unknown patients who had been consulted by clinician microbiologists from November 1, 2021 to October 31, 2023 The number of cases of fever due to the cause, the cases of culture-negative infective endocarditis, and the cases of unexplained hepatitis are estimated to be 300 cases according to the previous clinical microbiological consultation.

Exclusion criteria

Exclusion criteria: Refused to participate in the study.

Design outcomes

Primary

MeasureTime frame
Coxiella burnetii DNA;Q fever phase I IgG;Q fever phase II IgG;Q fever phase I IgM;Q fever phase II IgM;—

Countries

China

Contacts

Public ContactXing Fanfan

The University of Hong Kong - Shenzhen Hospital

xingff@hku-szh.org+86 18307555153

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026