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Natural History of a disease
Natural History of a disease

... certain countries/areas would represent primordial prevention, whereas • a campaign against drinking and would be an example of primary prevention. ...
File
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... ◦ Caused by a protozoan; transmitted from person to person by sexual activity ...
Occupational infection
Occupational infection

... needlestick injuries is approximately 30%. HBV can remain viable for at least 1 month on dried surfaces at room temperature. -This poses additional opportunities to acquire occupational HBV infections when individuals with  open cuts or  abraded skin or mucous membranes contact contaminated surfac ...
Approach to the Patient with Weakness
Approach to the Patient with Weakness

... AND the corticospinal tracts, so patients have BOTH upper and lower motor neuron signs. In addition to the above features, these patients may have spasticity and hyperreflexia. ...
inside the lungs
inside the lungs

... to the site of the disease: For example, TB in the vertebral column can cause back pain; TB in the lymph nodes can cause enlargement of the lymph nodes in the neck, armpit or groin; TB in the kidney can cause blood in the urine or have the same symptoms as a regular urinary ...
MENIERS DISEASE - Sveučilište u Zagrebu Medicinski fakultet
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Infection and Disease
Infection and Disease

...  Some parasites may be pathogenic, while others do not cause diseases directly but are important in transmitting diseases (e.g. fleas transmitting the plague).  Cellular pathogens or pathogenic ...
chapter 12: the digestive system - The ICD
chapter 12: the digestive system - The ICD

... 
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tooth
decay
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by
acid-forming
microorganisms
 
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inflammatory
infectious
lesions
in
or
on
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oral
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occurring
as
a
primary
or
a
 secondary
viral
infection
caused
by
herpes
simplex
 
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a
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liver,
which
is
chronic
and
degenerative
causing
injury
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the
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(th ...
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Johne`s Disease

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Lec 7 Principles of disease epidemiology

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Lec 7 Principles of disease epidemiology
Lec 7 Principles of disease epidemiology

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Chapter Ten: Infection Control in Child Care

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Infectious Diseases Assignment Sheet - Musco-Hurley

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Epidemiology of Communicable Diseases & Bloodborne Pathogens

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MICR 420 S2010 Lec 2 Epidemiology
MICR 420 S2010 Lec 2 Epidemiology

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Bloodborne Pathogens - Stuart T. Wilson, CPA PC
Bloodborne Pathogens - Stuart T. Wilson, CPA PC

... disease that is caused by Mycobacterium tuberculosis. It can be detected through skin tests, chest X-rays, signs and symptoms, sputum cultures, and CT or MR scans. It is very important that direct support professionals be tested (usually a skin test). This can minimize the spread of tuberculosis. ...
Infection Control - - Covington County Schools
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Rickettsia, Chlamydia, Mycoplasma, Legionella, and Gardnerella
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A Brief History of *One Health*

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About the Florida Mortality Atlas

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STD Unit 46
STD Unit 46

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Understanding Epidemiology

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Vector-Borne & Water
Vector-Borne & Water

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Chagas disease



Chagas disease, also known as American trypanosomiasis, is a tropical parasitic disease caused by the protozoan Trypanosoma cruzi. It is spread mostly by insects known as triatominae or kissing bugs. The symptoms change over the course of the infection. In the early stage, symptoms are typically either not present or mild and may include fever, swollen lymph nodes, headaches, or local swelling at the site of the bite. After 8–12 weeks, individuals enter the chronic phase of disease and in 60–70% it never produces further symptoms. The other 30 to 40% of people develop further symptoms 10 to 30 years after the initial infection, including enlargement of the ventricles of the heart in 20 to 30%, leading to heart failure. An enlarged esophagus or an enlarged colon may also occur in 10% of people.T. cruzi is commonly spread to humans and other mammals by the blood-sucking ""kissing bugs"" of the subfamily Triatominae. These insects are known by a number of local names, including: vinchuca in Argentina, Bolivia, Chile and Paraguay, barbeiro (the barber) in Brazil, pito in Colombia, chinche in Central America, and chipo in Venezuela. The disease may also be spread through blood transfusion, organ transplantation, eating food contaminated with the parasites, and by vertical transmission (from a mother to her fetus). Diagnosis of early disease is by finding the parasite in the blood using a microscope. Chronic disease is diagnosed by finding antibodies for T. cruzi in the blood.Prevention mostly involves eliminating kissing bugs and avoiding their bites. Other preventative efforts include screening blood used for transfusions. A vaccine has not been developed as of 2013. Early infections are treatable with the medication benznidazole or nifurtimox. Medication nearly always results in a cure if given early, but becomes less effective the longer a person has had Chagas disease. When used in chronic disease, medication may delay or prevent the development of end–stage symptoms. Benznidazole and nifurtimox cause temporary side effects in up to 40% of people including skin disorders, brain toxicity, and digestive system irritation.It is estimated that 7 to 8 million people, mostly in Mexico, Central America and South America, have Chagas disease as of 2013. In 2006, Chagas was estimated to result in 12,500 deaths per year. Most people with the disease are poor, and most people with the disease do not realize they are infected. Large-scale population movements have increased the areas where Chagas disease is found and these include many European countries and the United States. These areas have also seen an increase in the years up to 2014. The disease was first described in 1909 by Carlos Chagas after whom it is named. It affects more than 150 other animals.
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