Hantavirus Pulmonary Syndrome – Symptoms and Treatment

Hantavirus Pulmonary Syndrome Definition and Risk for Infection An illness resulting from infection with hantavirus. Certain species of deer mice carry the hantavirus, which they shed in their droppings, urine, and saliva. People who come into contact with these excretions, which may be through direct touch or inhalation, may then acquire infection with the virus. Deer mice live primarily […]

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Wart – Definition, Causes, Symptoms and Removal

Definition of Warts and Causes Wart is a growth, typically rough and raised, that appears on the skin. The human papillomavirus (HPV), which has numerous strains, causes common warts as well as variations including genital warts (a common sexually transmitted disease) and plantar warts which appear on the soles (plantar surfaces) of the feet. Because common warts are […]

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Hemorrhagic Fevers – Symptoms, Treatment and Fever Viruses

Hemorrhagic Fevers Definition Life-threatening illness resulting from infection with various viruses, spread by the bites of mosquitoes and ticks, the hallmark of which is the collapse of multiple organ systems because damage to the blood vessels impairs their ability to contain and transport blood. The dozen or so viruses that cause hemorrhagic fevers belong to […]

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Whitlow – Herpes – Definition and Treatment

Definition of Whitlow An infection at the end of the finger, or less commonly the end of a toe, that contains pus and is very painful. The area is inflamed, enlarged, erythematous (reddened), and often oozing. A common cause of whitlow is infection with the herpes simplexvirus (HSV), conveyed to the finger via contact with infectious secretions from oral […]

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Herpes Simplex Virus 1 and 2 – Symptoms and Treatment

Herpes Simplex 1 and 2 – Definition Herpes Simplex – infection with the herpes simplex VIRUS 1 (HSV-1) or HSV-2. HSV-1 primarily causes cold sores on the lips and in the MOUTH, transmitted through saliva. HSV-2 primarily causes genital herpes, a sexually transmitted disease (STD) that causes ulcerative sores on the genitals. However, either form of […]

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Hepatitis – Types A, B, C, D – Symptoms and Treatment

Hepatitis Definition Hepatitis – inflammation of the liver. There are numerous kinds and causes. Most hepatitis results from specific viruses that cause infections of the liver, alcohol abuse, and hepatotoxic drugs. Hepatitis is the leading cause of liver failure, and reason for liver transplantation, in the United States. Types of hepatitis Infectious (viral) Hepatitis The viruses that cause viral […]

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Herpes Zoster – Treatment and Symptoms

Definition of Herpes zoster Herpes zoster – an infection that results from reactivation of the varicella-zoster virus, which lies dormant in the spinal nerve roots after causing chickenpox. The virus can remain dormant for decades; doctors do not know what reactivates it though suspect a combination of aging and stress to the immune system. The infection travels the tract of […]

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HIV / AIDS – Definition

HIV / AIDS Definition An infection with the human immunodeficiency virus (HIV) that ultimately results in the illness acquired immunodeficiency syndrome (AIDS). Though new hiv/aids infections are on the decline in the United States and other industrialized nations, hiv/aids remains endemic on the African continent. Hiv/aids spreads through contact with body fluids such as occurs with sexual contact (vaginal intercourse, anal intercourse, […]

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Influenza Virus – Symptoms, Treatment and Flu Vaccine

Influenza Definition Influenza is a common and potentially serious viral infection, commonly called the flu, that causes upper respiratory symptoms. Influenza viruses rapidly adapt and mutate, which gives them the perpetual ability to cause illness. There are three types of human influenza virus-influenza A, influenza B, and influenza C. Influenza A viruses are primarily responsible for annual outbreaks […]

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Measles Virus – Symptoms, Course and Treatment

Measles Virus Definition An illness resulting from infection with the measles virus. Once among the most common childhood diseases worldwide, measles (also called rubeola) now primarily exists in developing nations where it remains a leading cause of childhood blindness and death. Routine measles immunization, the standard of care since becoming available in the early 1960s, has […]

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