What is the main cause of pathogenesis in Streptococcus pneumoniae?
pneumoniae has a large variety of surface-exposed proteins (17, 72) that aid in its pathogenesis by acting as adhesins to host cells and hindering the host’s immune system, specifically the complement system (22, 27, 51, 145, 146).
What is the cause of pneumococcal disease?
Pneumococcal disease is an infection caused by a type of bacteria called Streptococcus pneumoniae. It can cause pneumonia, bloodstream infections, or meningitis.
What is the pathogenicity of pneumonia?
PATHOGENESIS. Pneumonia indicates an inflammatory process of the lung parenchyma caused by a microbial agent. The most common pathway for the microbial agent to reach the alveoli is by microaspiration of oropharyngeal secretions.
What type of pathogen is Streptococcus pneumoniae?
Streptococcus pneumoniae are lancet-shaped, gram-positive, facultative anaerobic bacteria with more than 100 known serotypes. Most S. pneumoniae serotypes can cause disease, but only a minority of serotypes produce the majority of pneumococcal infections.
What is the difference between Streptococcus pneumoniae and pneumococcal pneumonia?
Pneumococcal disease is caused by bacteria called Streptococcus pneumoniae (pneumococcus). People with pneumococcal disease can spread the bacteria to others when they cough or sneeze. Symptoms of pneumococcal infection depend on the part of the body affected.
How do you get pneumococcal pneumonia?
Many people think pneumococcal pneumonia is a cold or the flu, but it’s not. Pneumococcal pneumonia is caused by bacteria that live in the upper respiratory tract, and it can spread to others through coughing or close contact.
What’s pneumococcal pneumonia?
Pneumococcal pneumonia is an infection of the lungs caused by Streptococcus pneumoniae bacteria, or pneumococcus. It infects the upper respiratory tract of adults and children. It can also cause ear and sinus infections, meningitis, and bloodstream infections.
What are the four pathological stages of pneumonia?
Stage 1: Congestion. Stage 2: Red hepatization. Stage 3: Grey hepatization. Stage 4: Resolution.
What is pathogenesis and pathophysiology?
The main difference between pathophysiology and pathogenesis is that pathophysiology describes the physiological process associated with a particular disease or injury whereas pathogenesis describes the development of the disease.