Infectious Diseases: Causes & Risks
Meningitis - Cause
12/24/08, HealthwiseMeningitis 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
Meningitis - What Happens
12/24/08, HealthwiseThe course of meningitis often depends on your age, general health, and the organism causing the infection. The illness can range from mild to severe.
Meningitis - What Increases Your Risk
12/24/08, HealthwiseFactors that may increase the risk for meningitis include:
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Respiratory Syncytial Virus (RSV) Infection - Cause
07/16/08, HealthwiseRespiratory 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
Respiratory Syncytial Virus (RSV) Infection - What Increases Your Risk
07/16/08, HealthwiseRespiratory 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
Giardiasis - Cause
10/16/07, HealthwiseGiardiasis (also called giardia) is caused by infection with the single-celled parasite Giardia lamblia, also known as Giardia intestinalis or Giardia duodenalis.
Giardiasis - What Increases Your Risk
10/16/07, HealthwiseYou are at risk for developing giardiasis if:
Hantavirus Pulmonary Syndrome (HPS) - Cause
03/03/08, HealthwiseIn 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,
Tuberculosis (TB) - Cause
05/16/07, HealthwiseTuberculosis (TB) is caused by Mycobacterium tuberculosis, slow-growing bacteria that thrive in areas of the body that are rich in blood and oxygen, such as the lungs.
Tuberculosis (TB) - What Increases Your Risk
05/16/07, HealthwisePeople are at increased risk of infection with tuberculosis (TB) when they:
In the Spotlight
West Nile Virus
Children and the elderly may develop permanent health problems after a West Nile virus infection.
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Elsewhere on the Web
- National Center for Infectious Diseases
- National Institute of Allergy and Infectious Diseases
- Epidemic: The World of Infectious Diseases
- Infectious Disease
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