HPV (Human Papillomavirus): Causes, Symptoms, Transmission, Treatment and Prevention
Human papillomavirus (HPV) is the most common sexually transmitted infection. It can cause certain types of cancer and/or genital warts. Approximately 80% of sexually active men and women will be infected with HPV at some point in their lives, and most new infections occur in people in their teens and early 20s. Most people...
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HIV / AIDS: Causes, Symptoms, Transmission, Treatment and Prevention
HIV Acquired immunodeficiency syndrome (AIDS) is a chronic condition caused by the human immunodeficiency virus (HIV). By damaging the immune system, HIV interferes with the body's ability to fight off organisms that cause infections or diseases. Because the virus integrates into the DNA of cells, it is a lifelong condition, and there is currently...
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Hib disease (Haemophilus Influenzae type B): Causes, Symptoms, Transmission, Treatment and Prevention
Haemophilus Influenzae Hib disease is an infection caused by the Haemophilus influenzae type B bacterium, and in most cases, it occurs in children under 5 years of age, but it can also affect adults who have other medical conditions. Type B is the most widespread and most aggressive, being responsible for 95% of infectious...
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Hepatitis E: Causes, Symptoms, Transmission, Treatment and Prevention
Hepatitis E is an inflammation of the liver caused by the hepatitis E virus (HEV). This virus has at least 4 different types: genotypes 1, 2, 3, and 4. Genotypes 1 and 2 have been discovered only in humans. Genotypes 3 and 4 circulate in several animals, including pigs, wild boars, and deer, without...
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Hepatitis D: Causes, Symptoms, Transmission, Treatment and Prevention
Hepatitis D, also known as the hepatitis delta virus, is a liver inflammation caused by the hepatitis D virus (HDV). HDV is considered a hybrid virus because it uses the hepatitis B surface antigen (HBsAg) as an envelope protein, and therefore, it is only capable of infecting patients who are co-infected with HBV. Hepatitis...
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Hepatitis C: Causes, Symptoms, Transmission, Treatment and Prevention
Hepatitis C is a liver infection caused by the hepatitis C virus (HCV) that can be transmitted through contact with the blood of an infected person. For some people, hepatitis C is a short-term illness, but 75-85% of those infected with hepatitis C will develop a chronic, long-term infection. Chronic hepatitis C is a...
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Hepatitis B: Causes, Symptoms, Transmission, Treatment and Prevention
Hepatitis B is a liver infection caused by the hepatitis B virus (HBV). Viral hepatitis B remains a major health problem worldwide. The hepatitis B virus can cause a chronic infection and puts people at high risk of death from cirrhosis and liver cancer. The virus can affect people of all ages. Once infected,...
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