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Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.
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Transcript of Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.
![Page 1: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/1.jpg)
Batterjee Medical College
![Page 2: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/2.jpg)
Batterjee Medical College
Dr. Manal El SaidDr. Manal El Said
Chlamydiae
Head of Medical Microbiology Department
![Page 3: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/3.jpg)
Batterjee Medical College
1-Chlamydia trachomatis
Diseases
Characteristics
• Nongonococcal urethritis• Cervicitis• Inclusion conjunctivitis• Lymphogranuloma venereum• Trachoma. • Pneumonia in infants.
• Obligate intracellular parasites. • Not seen on Gram-stained smear.• Exists as inactive elementary body extracellularly & metabolically active, dividing reticulate body intracellularly.
![Page 4: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/4.jpg)
Batterjee Medical College
1-Chlamydia trachomatis
![Page 5: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/5.jpg)
Batterjee Medical College
Habitat and Transmission
1-Chlamydia trachomatis
Pathogenesis
• Habitat is human genital tract & eyes.
• Transmission is by sexual contact & during passage of
neonate through birth canal.
• Transmission in trachoma is by hand-to-eye contact.
No toxins or virulence factors known.
![Page 6: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/6.jpg)
Batterjee Medical College
1-Chlamydia trachomatis
Pathogenesis
![Page 7: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/7.jpg)
Batterjee Medical College
Laboratory Diagnosis
1-Chlamydia trachomatis
• Cytoplasmic inclusions on Giemsa-stained or fluorescent
antibody–stained smear.
• Glycogen-filled cytoplasmic inclusions can be visualized
with iodine.
• Organism grows in cell culture & embryonated eggs.
• PCR-based assay & ELISA using patient's urine
![Page 8: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/8.jpg)
Batterjee Medical College
1-Chlamydia trachomatis
Laboratory Diagnosis
![Page 9: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/9.jpg)
Batterjee Medical College
Treatment
1-Chlamydia trachomatis
•Tetracycline (such as doxycycline)
• Macrolide (such as azithromycin).
• Erythromycin effective in infected mother to prevent
neonatal disease.
• No vaccine is available.
Prevention
![Page 10: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/10.jpg)
Batterjee Medical College
2-Chlamydia pneumoniae
Diseases
Characteristics
Atypical pneumonia.
Same as C. trachomatis.
• Habitat is human respiratory tract.
• Transmission is by respiratory aerosol.
Habitat and Transmission
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Batterjee Medical College
2-Chlamydia pneumoniae
![Page 12: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/12.jpg)
Batterjee Medical College
Pathogenesis
2-Chlamydia pneumoniae
No toxins or virulence factors known.
Serologic tests for antibody in patient's serum.
Laboratory Diagnosis
Tetracycline, such as doxycycline.
Treatment
Prevention
No vaccine or drug is available.
![Page 13: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/13.jpg)
Batterjee Medical College
3-Chlamydia psittaci
Diseases
Psittacosis.
• Symptoms range from inapparent illness to systemic illness
with severe pneumonia.
• It presents as atypical pneumonia.
• In 1st week symptoms are: prostrating high fevers,
arthralgias, diarrhea, conjunctivitis, epistaxis & leukopenia.
• Rose spots (Horder's spotscan) appear.
• Splenomegaly is frequent toward end of 1st week.
![Page 14: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/14.jpg)
Batterjee Medical College
Characteristics
3-Chlamydia psittaci
Same as C. trachomatis.
Habitat and Transmission
• Habitat is birds (psittacine & others).
• Transmission is via aerosol of dried bird feces.
![Page 15: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/15.jpg)
Batterjee Medical College
3-Chlamydia psittaci
Pathogenesis
No toxins or virulence factors known.
Laboratory Diagnosis
• Diagnosis made by testing for antibodies in patient's serum.
• Cytoplasmic inclusion seen by Giemsa or fluorescent
antibody staining.
• Organism can be isolated from sputum (rarely done).
![Page 16: Batterjee Medical College. Dr. Manal El Said Chlamydiae Head of Medical Microbiology Department.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649e545503460f94b4a8cb/html5/thumbnails/16.jpg)
Batterjee Medical College
3-Chlamydia psittaci
Treatment
Prevention
Tetracycline.
No vaccine or drug is available.