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6 days ago · Carrier. 1. A person or animal harboring a specific Infectious Agent in the absence of discernible clinical disease and which serves as a potential source of infection. The carrier state may occur in an individual with an infection that is inapparent throughout its course (known as a healthy or asymptomatic carrier) or the carrier state may ...
Bacterium Carrier. Bacterial carrier matrix provides large surface area and higher catalytic reactivity between metal ion and the enzyme thus enabling the rapid production of nanoparticles. From: Environmental Applications of Microbial Nanotechnology, 2023. Related terms: Plasmid; Vaccine Efficacy; Gram-Negative Bacteria; Bacteriophage; Immune ...
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What is a carrier state?
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What is the difference between active carrier and active carrier?
An individual capable of transmitting a pathogen without displaying symptoms is referred to as a carrier. A passive carrier is contaminated with the pathogen and can mechanically transmit it to another host; however, a passive carrier is not infected.
- Defenses Against Carriage
- Defenses Against Colonization of The Internal Organs
- Defenses Against Infection
Healthy individuals efficiently clear abnormal AGNB from the oropharyngeal cavity and digestive tract. This clearing property is called carriage defense . Individuals are continuously exposed to AGNB. Healthy people acquire AGNB in the oropharynx via food intake, whereas unconscious patients acquire bacteria in the oropharynx form the environment, ...
Abnormal carriage of AGNB and MRSA inevitably leads to overgrowth of these bacteria in critically ill patients following deterioration of the underlying disease . Intestinal overgrowth of abnormal flora has been shown to promote and maintain systemic immunoparalysis via liver macrophage activation and is considered an independent risk factor for c...
Colonizing microorganisms that are not eliminated from internal organs invariably lead to a high concentration (≥105) of PPMs, predisposing to invasion. The host mobilizes both humoral and cellular defense systems to hinder the invading microorganisms. However, infection requires both invasion and critical illness, which jeopardize immunocompetence...
- L. Silvestri, H. K. F. van Saene, J. J. M. van Saene
- 2011
Bacterial interplay at intestinal mucosal surfaces: implications for vaccine development. Live bacterial carrier vaccines have become an exciting possibility for novel vaccines, with attractive advantages over present-day injectable vaccines. As protein presentation and secretion systems in Gram-negative bacteria represent one of the few ...
ranging topics, variously on pathogenic microbiology, clinical microbiology, medical microbiology, and microbiology of infectious diseases, have been available for quite some time now. But almost all these books are large, often more than a thousand pages long, and are consequently quite expensive for average students. During the
Following bacterial infection, a carrier state is established in a fraction of the cells, conferring superinfection immunity. Such cells also resist other phages that use type IV pili as a receptor. The carrier population is composed of a mixture of cells producing phage, and susceptible cells that are non-carriers.
