1397 results found
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… Smallpox is a contagious infection caused by the variola virus. Smallpox can be deadly, so if an outbreak happens, it … that the spread of smallpox was stopped and that the disease had been wiped out. Because there is a slight risk … smallpox immunization ended in Canada in 1972. Smallpox virus is known to exist in labs at the Centers for Disease …
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… Hepatitis Last updated July 1, 2022 Hepatitis is a virus that attacks the liver. There are different viruses that cause hepatitis and how it is transmitted vary … self-limiting and usually does not progress to chronic disease. It is a vaccine-preventable illness. Learn more …
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… is an infection caused by a certain kind of avian influenza virus. Although there are many kinds of bird flu, the most … that concern health workers are H5N1 and H7N9 bird flu viruses. These viruses are found in wild birds. Most of the … government. Visit www.canada.ca/en/public-health/services/diseases/avian-influenza-h5n1/s… for more information. U.S. …
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… medicines if you have high levels of both the hepatitis B virus and liver enzymes in your blood for at least 6 months or if you have liver disease. Some antiviral medicines that stop or slow the growth of the hepatitis B virus can have serious long-term side effects. And some can …
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… : The CD4+ cell count is 350 to 499. Stage 3 (advanced HIV disease, or AHD) : The CD4+ cell count is 200 to 349. Stage … decline. HIV (Human Immunodeficiency Virus) Infection Citations Schneider E, et al. … decline. HIV (Human Immunodeficiency Virus) Infection Citations Schneider E, et al. …
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… What is hepatitis A? Hepatitis A is a virus that can infect the liver. Hepatitis A spreads when … water that is contaminated by stool (feces) that has the virus in it. The infection usually goes away on its own and … when a food item comes into contact with raw sewage. The disease can also spread in daycare centres. Children, …
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… HIV Last updated March 1, 2024 HIV (human immunodeficiency virus) is a virus that attacks the immune system , the body's natural … a strong immune system, the body has trouble fighting off disease. Both the virus and the infection it causes are …
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… enzymes . High or low levels may mean that liver damage or disease is present. The liver serves several important … be done if you have recently been exposed to a hepatitis virus or are taking a medicine that may cause liver damage. … . Cirrhosis Hepatitis A Hepatitis A Virus Test Hepatitis B Hepatitis B Virus Tests Hepatitis C …
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… Overview Infection with the hepatitis D virus (HDV), or delta agent, occurs only in people who are already infected with the hepatitis B virus (HBV). HDV infection may make HBV infection more … (chronic) HBV infection, HDV infection can make liver disease worse. Or it can cause a person who did not have …
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… What is hepatitis B? Hepatitis B is a virus that infects the liver. Most people who get it have it … get better. This is called acute hepatitis B. Sometimes the virus causes a long-term infection, called chronic hepatitis … clotting factors from human donors. Having severe kidney disease that requires you to have your blood filtered …
