USMLE/1

Textbook

1. Anatomy

2. Microbiology

2.1 General bacteriology

2.2 Introduction to systemic bacteriology

2.3 Gram positive cocci

2.4 Gram negative cocci

2.5 Gram positive bacilli

2.6 Gram negative bacilli

2.7 Other important bacteria

2.7.2 Helicobacter pylori

2.7.3 Campylobacter jejuni

2.7.4 Haemophilus influenzae

2.7.5 Bordetella pertussis

2.7.6 Legionella pneumophila

2.7.8 Mycobacteria

2.7.9 Actinomycetes

2.7.10 Nocardia

2.7.11 Mycoplasma pneumoniae

2.7.12 Treponema pallidum

2.7.13 Borrelia burgdorferi

2.7.14 Chlamydia / Chlamydophila

2.7.15 Rickettsia

2.7.16 Coxiella burnetii

2.7.17 Additional information

2.8 Virology

2.9 Parasitology

2.10 Mycology

3. Physiology

4. Pathology

5. Pharmacology

6. Immunology

7. Biochemistry

8. Cell and molecular biology

9. Biostatistics and epidemiology

10. Genetics

11. Behavioral science

2.7.16 Coxiella burnetii

Achievable USMLE/1

2. Microbiology

2.7. Other important bacteria

Coxiella burnetii

1 min read

It causes Q fever.

Transmission

Infection is acquired by inhaling aerosols from infected animals such as cattle, sheep, and goats.

Clinical features

It typically presents as an influenza-like illness with a dry cough and pneumonia.

There is no rash.
It can cause hepatitis.
In chronic infections, it can cause endocarditis.

Laboratory diagnosis

Laboratory diagnosis is made by:

Antibody detection using the complement fixation test or indirect immunofluorescence
PCR

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