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- Reservoir. The reservoir of an infectious agent is the habitat in which the agent normally lives, grows, and multiplies. Reservoirs include humans, animals, and the environment.
- Portal of exit. Portal of exit is the path by which a pathogen leaves its host. The portal of exit usually corresponds to the site where the pathogen is localized.
- Modes of transmission. An infectious agent may be transmitted from its natural reservoir to a susceptible host in different ways. There are different classifications for modes of transmission.
- Portal of entry. The portal of entry refers to the manner in which a pathogen enters a susceptible host. The portal of entry must provide access to tissues in which the pathogen can multiply or a toxin can act.
describe the chain of infection. the chain of infections goes from agent to reservoir to mode of transmission to host. list four types of epidemiological information useful for influencing public health policy and planning and individual health decisions. assessment, cause, clinical picture and evaluate.
Study with Quizlet and memorize flashcards containing terms like Define reservoir of infection, Contrast between human, animal, and nonliving reservoirs of infection., What is an example of an animal reservoir, human reservoir, and nonliving reservoir of infection. and more.
Study with Quizlet and memorize flashcards containing terms like Reservoir, Activities that fall under completing the clinical picture of disease, Analytic Epidemiology and more.
Jul 22, 2022 · A human acting as a reservoir of a pathogen may or may not be capable of transmitting the pathogen, depending on the stage of infection and the pathogen. To help prevent the spread of disease among school children, the CDC has developed guidelines based on the risk of transmission during the course of the disease.
We discuss the practical value of different approaches that may be used to identify reservoirs in the field. Keywords: reservoir, epidemiology, pathogen, disease control, transmission. Infectious agents that can infect more than one host species are ubiquitous.
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Sep 6, 2017 · A RESERVOIR NEEDS TO MAINTAIN THE PATHOGEN AND HAVE A FEASIBLE TRANSMISSION ROUTE. The high prevalence of infectious agents of zoonotic and anthropozoonotic origin pose a major health threat to both human and animal populations.
