Related Experiment Video
Updated: Aug 14, 2026

09:03
Forward Genetic Approaches in Chlamydia trachomatis
Published on: October 23, 2013
Transmission of Chlamydia pneumoniae
1Department of Medicine, Rochester General Hospital, NY 14621.
The Journal of Infectious Diseases
|August 1, 1993
Summary
Chlamydia pneumoniae can survive on surfaces like countertops for up to 30 hours. Transmission is possible via contaminated surfaces and fomites, though survival on hands is brief.
Area of Science:
- Microbiology
- Infectious Diseases
- Environmental Health
Background:
- Chlamydia pneumoniae is a significant respiratory pathogen.
- Understanding its transmission routes is crucial for public health interventions.
Purpose of the Study:
- To investigate the transmission of Chlamydia pneumoniae (C. pneumoniae) via hands and environmental surfaces.
- To determine the survival of C. pneumoniae on various fomites.
Main Methods:
- Assessed C. pneumoniae viability on formica countertops and tissue paper.
- Quantified transfer from surfaces to hands.
- Evaluated survival on hands.
- Studied survival after aerosolization and infectivity in mice.
Main Results:
- C. pneumoniae remained viable on formica for 30 hours and tissue paper for 12 hours.
- Measurable transfer to hands occurred, but survival time was limited to 10-15 minutes.
- The organism survived aerosolization and was infectious to mice.
Conclusions:
- Environmental surfaces and fomites can act as reservoirs for C. pneumoniae.
- Autoinoculation following contact with contaminated surfaces is a plausible transmission route.
- Aerosolization is also a potential mechanism for C. pneumoniae spread.
More Related Videos
Related Concept Videos
Sexually Transmitted Infections
Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
Pneumonia I: Introduction
Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Pneumonia II: Pathophysiology
The pathophysiology of pneumonia involves the following steps:
Bacterial Phylum Chlamydiae
The phylum Chlamydiae or Chlamydiota is composed of a single order, Chlamydiales. This phylum consists entirely of obligate intracellular parasites that infect eukaryotic hosts. While human pathogens within this group have been studied extensively, the phylum encompasses many species capable of interacting with various eukaryotic organisms. Members of Chlamydiae are typically small cocci, approximately 0.5 μm in diameter, and exhibit a distinctive developmental cycle. As is characteristic of...
Atypical Pneumonia
Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...
Pneumonia I: Introduction
Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...

