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File - Mayo Clinic Center for Tuberculosis
File - Mayo Clinic Center for Tuberculosis

... In an HIV-infected person, TB can develop in one of two ways: • Person with LTBI becomes infected with HIV and then develops TB disease as the immune system is weakened • Or: • Person with HIV infection becomes infected with M. tuberculosis and then rapidly develops TB disease ...
Pathogenesis of Disease of the Large Intestine
Pathogenesis of Disease of the Large Intestine

... Malabsorption: Steatorrhoea ...
BOVINE THEILERIOSIS
BOVINE THEILERIOSIS

... lymphnodes (May-Grünwald Giemsa staining). Parasitaemia (erythrocytic merozoites) some days after infection, usually abundant for T.annulata. May persist for months after recovery. Indirect diagnosis is largely based on the indirect fluorescent antibody test (IFAt) with in vitro derived lymphoblast ...
Guidelines - Amoebiasis - 2011 - Alberta Health
Guidelines - Amoebiasis - 2011 - Alberta Health

... or preserved fecal specimens, smears of aspirates or scrapings obtained by proctoscopy, aspirates of abscesses or sections of tissue. Serological testing for antibodies may be used in diagnosis for extra-intestinal amoebiasis, such as liver abscess, where stool examination is often negative, however ...
Bio-Security in 4-H Animal Science 1: Understanding
Bio-Security in 4-H Animal Science 1: Understanding

... A disease is a condition found in plants or animals that causes harm and typically is characterized by a group of identifiable symptoms. Diseases can affect tissues, organs, or entire systems of an organism and can result in discomfort, dysfunction, distress, or even death. Diseases can be caused by ...
Mycoplasma gallisepticum
Mycoplasma gallisepticum

... • ELISA (Enzyme Linked Immunosorbent Assay) test 3. PCR (Polymerase Chain Reaction) test to demonstrate the presence of MG DNA This infection is a bigger threat to extensive production systems, particularly farms producing eggs for human consumption as there are limited treatment options available. ...
Chapter 22
Chapter 22

... • Cutaneous candidiasis – occurs in chronically ...
Latent TB Infection (LTBI) - Colorado Health and Environmental Data
Latent TB Infection (LTBI) - Colorado Health and Environmental Data

... be abnormal Symptomatic Respiratory specimens may be smear or culture positive ...
Limitations of Antibody Based Diagnostic Tests
Limitations of Antibody Based Diagnostic Tests

... diagnostic tests understand that the results obtained with antibody-based diagnostic tests are valid only when such tests are used when detectable amounts of antibody are likely to be present. Even the most sensitive and specific diagnostic test one can imagine is not going to show that a patient h ...
NHSN Definitions CLABSI
NHSN Definitions CLABSI

... For specialty care areas (SCAs), the number of patients with one or more central lines is dichotomized into those with permanent (tunneled/cuffed) central lines and those with temporary (nontunneled/noncuffed) central lines on the Denominators for Specialty Care Area (CDC 57.75K). Each is collected ...
Life course epidemiology and infectious diseases
Life course epidemiology and infectious diseases

... There has been a traditional view that divided epidemiology into infectious and chronic diseases. Since we now know that at least 15% of cancers worldwide are caused by infections,1 that infections frequently have a natural history lasting decades and that the same epidemiological methods can be app ...
Corneal Manifestations of Systemic Diseases
Corneal Manifestations of Systemic Diseases

... antimetabolite medication toxicity (like cytarabine) causing degeneration of the basal epithelium and microcysts. Highlight: Fabry disease ...
What is Legionnaires` Disease?
What is Legionnaires` Disease?

... and early fall are the most common times of the year for infections to occur. Persons over 50 years of age, who are current or former smokers, those with chronic diseases such as chronic obstructive lung disease (COPD) or diabetes, or those with a weak immune system (immunocompromised) are at a high ...
Infectious Diseases
Infectious Diseases

...  Diagnosis: blood tests  No cure for chronic Hep B  Preventable with a vaccine  Treatment: anti-retroviral drugs ...
Introduction to Epidemiology and the Modules
Introduction to Epidemiology and the Modules

... - Infectious disease outbreaks - Bioterror agents • Identifying sequence characteristics across the genome ...
Minimal Change Disease
Minimal Change Disease

... type IV collagen c) usually does not present with nephrotic syndrome and proteinuria d) more severe in men i) die by age 40 e) progressive hearing loss (high frequencies) f) ocular defects most often  the lens ...
Immunodeficiency - quantitative or qualitative defects of immune
Immunodeficiency - quantitative or qualitative defects of immune

... • Common variable immunodeficiency – onset in late childhood of hypogammaglobulinemia and recurrent infections. Boys and girls are affected equally. High frequency of malignancies – gastric cancer, lymphoma – later in life. • Isolated IgA deficiency – the most common hereditary immunodeficiency is d ...
Clinical Finding - Buffalo Ontology Site
Clinical Finding - Buffalo Ontology Site

... – The study of how cognitive subjects come to know the truth about given phenomena in reality – …it encompasses the ways in which physicians come to know about the existence of given diseases in given patients *Smith B. Ontology. In: Floridi L, ed. The Blackwell Guide to Philosophy of Computing and ...
Biosecurity & Disaster Preparedness
Biosecurity & Disaster Preparedness

... Don’t leave out details. Hold regular exercises. Communicate. Keep situation reports and activity logs of past scenarios. ...
on intestinal worms. - Belle Plaine Animal Hospital
on intestinal worms. - Belle Plaine Animal Hospital

... implies, they live in the stomach. They are often treated for by your veterinarian if your pet has chronic vomiting. Eggs are not readily detected in stool samples. Your pet may occasionally vomit up a worm. Pets are infected by eating an intermediate host such as a cricket, cockroach or another ani ...
Biology Transition Project file
Biology Transition Project file

... Cholera is an infectious disease, caused by the bacterium Vibrio cholerae, which affects the transport of water in the small intestine. The bacterium secretes a toxin, cholera toxin (CT) which causes severe fluid loss from the body into the digestive tract, leading to dehydration and ultimate death ...


... cycle imply continuity or rupture? (5) What is the current significance of serological tests, and how are borderline individuals diagnosed as normal or diseased? In the following paragraphs we try to answer each of the queries listed above. (1) An extensive review of the literature shows how diagnos ...
Infectious-Diseases
Infectious-Diseases

... tonsils, carious teeth and intestinal tract • Previously thought to be a fungal infection, but these organisms are actually gram-positive, filamentous bacteria ...
Epidemiology
Epidemiology

... - Infectious disease outbreaks - Bioterror agents • Identifying sequence characteristics across the genome ...
BACTERIAL DISEASES (OTHER THAN MYCOPLASMA)
BACTERIAL DISEASES (OTHER THAN MYCOPLASMA)

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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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