Category A Pathogens
Category A Pathogens - Related Videos
11:31
'Bioluminescent' Reporter Phage for the Detection of Category A Bacterial Pathogens
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Cited by 18 •
2011
A simple method for the identification of priority bacterial pathogens is to use genetically engineered reporter phage. These reporter phage, which are specific to their particular host species, are capable of rapidly transducing a bioluminescent signal response to host cells. Herein, we describe the use of reporter phage for the detection of Yersinia pestis.
10:08
Categories and Inductive Inferences
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2023
Source: Laboratories of Nicholaus Noles and Judith Danovitch—University of Louisville It might be possible for the human brain to keep track of each individual person, place, or thing encountered, but that would be a very inefficient use of time and cognitive resources. Instead, humans develop categories. Categories are mental representations of real things that can be used for a variety of purposes. For example, individuals can use the perceptual features of animals to place them into a given...
01:24
Categories of Services
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2024
Understanding how services can be categorized is crucial for businesses, as it can help them manage and market their offerings more effectively. Beyond the fundamental distinction between people-based and equipment-based services, which focuses on the delivery method, services are also classified based on how they process people, possessions, or information. This understanding can guide businesses' service design, customer interaction strategies, and resource allocation. For example,...
01:30
Categories of Equilibrium
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2023
Equilibrium is a crucial concept in physics, enabling us to understand how forces interact with bodies to produce no or constant motion. In two-dimensional equilibrium, force systems can be classified into different categories based on their characteristics. One of the categories of equilibrium is collinear equilibrium, which involves forces acting along a straight line. This type of equilibrium requires only one force equation in the direction of the forces, as the other equations are...
14:38
Creating Objects and Object Categories for Studying Perception and Perceptual Learning
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Cited by 12 •
2012
We describe a novel methodology for creating naturalistic 3-D objects and object categories with precisely defined feature variations. We use simulations of the biological processes of morphogenesis and phylogenesis to create novel, naturalistic virtual 3-D objects and object categories that can then be rendered as visual images or haptic objects.
FAQs
Priority reflects a combination of factors rather than disease severity alone. The assessment considers how easily an agent could be disseminated or transmitted, whether it could produce a major public health impact, and whether responding effectively would require special preparedness measures. These criteria help public health systems direct planning, research, surveillance, and response resources toward the most consequential threats.
The category groups agents according to preparedness implications, not shared biological structure or a single disease mechanism. Its examples include bacteria, viruses, viral hemorrhagic fever agents, and botulinum toxin. Their common feature is the need for high-priority planning because dissemination, transmission, severe outcomes, mortality, or societal disruption could create urgent public health demands.
Research in this field connects pathogen study with practical defenses against disease and outbreaks. Investigators support development of diagnostics, vaccines, antitoxins, and therapeutics while also examining the preparedness systems needed to deploy them. This combination links biological understanding with public health action, helping transform laboratory findings into tools for prevention, recognition, and treatment.
These variables influence how quickly a public health problem could expand and how difficult it might be to contain. An agent with substantial dissemination or transmission potential may require stronger advance planning even before an outbreak occurs. Evaluating these risks alongside expected public health impact helps determine the level of surveillance, coordination, and special preparedness needed.
A comprehensive program addresses several complementary capabilities rather than relying on one intervention. It may include diagnostic methods for recognizing infection or exposure, vaccines for prevention, antitoxins and therapeutics for treatment, biosafety protocols for safer research, and surveillance systems for monitoring threats. Together, these components support earlier detection, informed response, and improved readiness.
Coordinated surveillance systems are intended to identify unusual events and support rapid outbreak detection and response. Their value depends on connecting information across relevant public health activities rather than treating observations in isolation. In the context of immunology and infection, surveillance complements laboratory research and medical countermeasure development by helping authorities recognize when preparedness capabilities may need to be activated.