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II. Biohazards and Potentially Infectious Materials A
II. Biohazards and Potentially Infectious Materials A

... consider when evaluating risk include the following: Pathogenicity: The more severe the potentially acquired disease, the higher the risk. Salmonella, a Risk Group 2 agent, can cause diarrhea, septicemia if ingested. Treatment is available. Viruses such as Ebola, Marburg, and Lassa fever cause disea ...
Tick-borne viral diseases in the United States
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... Attoui H, Jaafar FM, de Micco P, de Lamballerie X. Coltiviruses and Seadornaviruses in North America, Europe, and Asia. Emerging Infectious Diseases 2005;11:1673-9. ...
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American Bullfrogs (Lithobates catesbeianus) Resist Infection by

... to other Bd isolates, including CM Bd and SL Bd (Piovia-Scott et al. 2014). There also remains the possibility that multiple Bd strains were circulating at Finley Lake and that our isolate was not responsible for the severe mortality of American bullfrogs. Alternatively, intraspecific variation in c ...
Wildlife diseases in South Africa: a review
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... conjunctivitis according to the site of infection. Each lesion was accompanied with focal gliosis and perivascular cuffing in the regional central nervous tissue. The location of pathological changes which is related to the site of infection suggested t he possibility that the virus travels centripe ...
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Delirium Decision Tree - Vancouver Island Health Authority

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Causes, Risks, Prevention

... Infection with the human immunodeficiency virus (HIV), the virus that causes AIDS, may increase a person’s risk of skin lymphoma. Infection with the HTLV-1 virus has been linked with the rare adult T-cell leukemia/lymphoma, although most people infected with this virus do not develop lymphoma. This ...
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Hepatitis C



Hepatitis C is an infectious disease affecting primarily the liver, caused by the hepatitis C virus (HCV). The infection is often asymptomatic, but chronic infection can lead to scarring of the liver and ultimately to cirrhosis, which is generally apparent after many years. In some cases, those with cirrhosis will go on to develop liver failure, liver cancer, or life-threatening esophageal and gastric varices.HCV is spread primarily by blood-to-blood contact associated with intravenous drug use, poorly sterilized medical equipment, and transfusions. An estimated 150–200 million people worldwide are infected with hepatitis C. The existence of hepatitis C – originally identifiable only as a type of non-A non-B hepatitis – was suggested in the 1970s and proven in 1989. Hepatitis C infects only humans and chimpanzees. It is one of five known hepatitis viruses: A, B, C, D, and E.The virus persists in the liver in about 85% of those infected. This chronic infection can be treated with medication: the standard therapy is a combination of peginterferon and ribavirin, with either boceprevir or telaprevir added in some cases. Overall, 50–80% of people treated are cured. Those who develop cirrhosis or liver cancer may require a liver transplant. Hepatitis C is the leading reason for liver transplantation, though the virus usually recurs after transplantation. No vaccine against hepatitis C is available. About 343,000 deaths due to liver cancer from hepatitis C occurred in 2013, up from 198,000 in 1990. An additional 358,000 in 2013 occurred due to cirrhosis.
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