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Causes of disease
Causes of disease

... and gas-exchange systems. • Pathogens cause disease by damaging the cells of the host and by producing toxins. ...
Epidemiology
Epidemiology

... 1. Period of time necessary for an agent to multiply enough times to cause disease 2. The immune system can generally fight off infections that require long incubation ...
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The Chain of Infection
The Chain of Infection

... As healthcare professionals, it is important to understand two facts about infection: ...
Chain of Infection
Chain of Infection

... As healthcare professionals, it is important to understand two facts about infection: ...
Topic: Infection L1: Communicable Diseases
Topic: Infection L1: Communicable Diseases

... Topic: Infection L1: Communicable Diseases Learning Objectives: 1. Describe what communicable disease is. 2. Describe what a pathogen is and the different types. 3. Describe how disease is spread. 4. Explain how to prevent the spread of infection. 5. Describe examples of diseases caused by different ...
Virus Unit Vocabulary
Virus Unit Vocabulary

... An organism in which a parasite derives nutrients from ...
Virus Unit Vocabulary
Virus Unit Vocabulary

... An organism in which a parasite derives nutrients from ...
Common+Infectious+Disease+Review ebony
Common+Infectious+Disease+Review ebony

... 10. Describe the different ways a pathogen can enter the body? (where and how) It can enter through the mouth, the skin, and nose. By inhaling or physical contact with the pathogen. ...
Infectious Disease - Sonoma Valley High School
Infectious Disease - Sonoma Valley High School

... found in the sick, not in the healthy • It must be isolated and grown as a culture • If placed in a new host, they will become infected • The pathogen taken from the 2nd host will be identical to the original ...
Infectious Diseases
Infectious Diseases

... 1. The same pathogen must be present in every case of the disease; 2. The pathogen must be isolated from the diseased host and grown in pure culture; 3. The pathogen from the pure culture must cause the disease when it is introduced into a healthy but susceptible organism. 4. The pathogen must be is ...
Common Infectious Disease Review
Common Infectious Disease Review

... Describe the different ways a pathogen can enter the body? (where and how) Infected people-shaking hands; hand to hand contact Infected animals-being bitten Contaminated objects-sharing drinking cups or touching a contaminated objects that a sick person touched before you Contaminated food or water ...
Dissecting the Transmission Biology of Vector
Dissecting the Transmission Biology of Vector

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Lecture 17
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... Ex. Touching (the common cold), kissing (infectious ...
Causes of Diseases
Causes of Diseases

... • Disease is a change that disrupts homeostasis in the body. • Disease-producing agents such as bacteria, protozoans, fungi, viruses and other parasites are called pathogens. • The main sources of pathogens are soil, contaminated water, and infected people or animals. • Any disease caused by the pre ...
Vocabulary List
Vocabulary List

... ASEPSIS – Methods used to make the patient, worker, and the environment as pathogen-free as possible. AVIAN FLU - a flu caused by influenza viruses found in birds and may be transmitted from birds to humans. It may be deadly to humans. BACTERIA – A one-celled plants that can either be pathogenic or ...
The Chain of Infection
The Chain of Infection

... -the person that the pathogen enters A susceptible person is someone at higher risk for developing an infection ...
No Slide Title
No Slide Title

... Smallest know type of infectious agent ...
Chapter 14: Infections, Infectious Diseases, and Epidemiology
Chapter 14: Infections, Infectious Diseases, and Epidemiology

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COMMUNICABLE & NONCOMMUNICABLE DISEASES
COMMUNICABLE & NONCOMMUNICABLE DISEASES

... ...
Ev Comparison Rd 2
Ev Comparison Rd 2

... diseases don't drive species extinct. There are several reasons for that. For one, the most dangerous diseases are those that spread from one individual to another. If the disease is highly lethal, then the population drops, and it becomes less likely that individuals will contact each other during ...
Blood borne Pathogens Training - Poets Pre-Med
Blood borne Pathogens Training - Poets Pre-Med

...  How blood borne pathogens are spread  Precautions to prevent exposure incidents  How to recognize, report, and follow up on exposures to infectious materials. ...
The Chain of Infection
The Chain of Infection

... e.g., Lyme disease) • Viruses - smallest microbes (HIV, Hepatitis B and C) • Helmiths - parasitic worms ...
Cross-disciplinary demands of multihost pathogens
Cross-disciplinary demands of multihost pathogens

... through different combinations of lions, jackals and hyenas. They build a model that uses the accumulated understanding from decades of research on the social organization and movement of these species to speculate on different plausible contact structures, and then compare epidemic trajectories and ...
Cross-disciplinary demands of multihost pathogens
Cross-disciplinary demands of multihost pathogens

... through different combinations of lions, jackals and hyenas. They build a model that uses the accumulated understanding from decades of research on the social organization and movement of these species to speculate on different plausible contact structures, and then compare epidemic trajectories and ...
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Cross-species transmission

Cross-species transmission (CST) is the phenomenon of transfer of viral infection from one species, usually a similar species, to another. Often seen in emerging viruses where one species transfers to another which in turn transfers to humans. Examples include HIV-AIDS, SARS, Ebola, Swine flu, rabies, and Bird flu.The exact mechanism that facilitates the transfer is unknown, however, it is believed that viruses with a rapid mutation rate are able to overcome host-specific immunological defenses. This can occur between species that have high contact rates. It can also occur between species with low contact rates but usually through an intermediary species. Bats, for example, are mammals and can directly transfer rabies to humans through bite and also through aerosolization of bat salvia and urine which are then absorbed by human mucous membranes in the nose, mouth and eyes.Similarity between species, for example, transfer between mammals, is believed to be facilitated by similar immunological defenses. Other factors include geographic area, intraspecies behaviours, and phylogenetic relatedness. Virus emergence relies on two factors: initial infection and sustained transmission.
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