Infectious Diseases: Causes & Risks

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  • Meningitis - Cause

    12/24/08, Healthwise

    Meningitis is a disease that can be passed from person to person (contagious). It is caused most often by viruses or bacteria that infect the tissues (meninges) and sometimes the fluid (cerebral spinal fluid, or CSF) that surround the bra

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  • Meningitis - What Happens

    12/24/08, Healthwise

    The course of meningitis often depends on your age, general health, and the organism causing the infection. The illness can range from mild to severe.

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  • Meningitis - What Increases Your Risk

    12/24/08, Healthwise

    Factors that may increase the risk for meningitis include:

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  • Respiratory Syncytial Virus (RSV) Infection - Cause

    07/16/08, Healthwise

    Respiratory syncytial virus (RSV) is highly contagious, meaning it spreads easily from person to person. There are two main types of RSV and many subtypes (strains). For this reason, you cannot have full immunity to the virus, and you

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  • Respiratory Syncytial Virus (RSV) Infection - What Increases Your Risk

    07/16/08, Healthwise

    Respiratory syncytial virus (RSV) infects almost all children by the age of 2, and reinfection throughout life is common.1 The first RSV infection is usually the most severe. The virus spreads easily and is extremely difficult to complete

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  • Giardiasis - Cause

    10/16/07, Healthwise

    Giardiasis (also called giardia) is caused by infection with the single-celled parasite Giardia lamblia, also known as Giardia intestinalis or Giardia duodenalis.

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  • Giardiasis - What Increases Your Risk

    10/16/07, Healthwise

    You are at risk for developing giardiasis if:

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  • Hantavirus Pulmonary Syndrome (HPS) - Cause

    03/03/08, Healthwise

    In the United States, most cases of hantavirus pulmonary syndrome (HPS) are caused by one strain of hantavirus primarily carried by the deer mouse (Peromyscus maniculatus). These rodents appear healthy but shed the virus in their saliva,

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  • Diverticulitis - Cause

    07/30/08, Healthwise

    Diverticulitis develops when bacteria become trapped in pouches (diverticula) that have formed along the wall of the large intestine, leading to an infection. The bacteria grow and cause inflammation and pressure that may lead to a small

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  • Diverticulitis - What Increases Your Risk

    07/30/08, Healthwise

    The possibility of developing diverticulitis increases with age.

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