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This information sheet discusses chronic hepatitis B, a contagious liver disease that results from infection with the hepatitis B virus (HBV). It explains the difference between acute and chronic infection and how likely HBV is to become a chronic infection, the seriousness of chronic hepatitis B...

This report provides a summary of responses from a web-based survey of public health laboratories on volume and type of testing for STDs in the United States in 2007. The survey was conducted in 2008. Responses were received from 61.4 percent (94 of 153) participants. In 2007, 3,290,390 chlamydia...

This information sheet discusses bacterial vaginosis (BV), a condition in which the vagina experiences an overgrowth of certain bacteria, and which often causes pain, discharge, odor, and itching or burning. The information sheet provides statistics on the incidence of the disease in the U.S. and...

This Web site provides interim guidance for clinicians who treat immune compromised persons, including HIV-infected adults and adolescents. The page explains that persons with low CD4 cell counts or AIDS can experience more severe complications of seasonal influenza, and possibly HIV-infected adults...

This fact sheet provides general information on exposure to TB.

This audiovisual file is a podcast featuring a woman living with AIDS. The woman tells the story of how she was diagnosed with HIV at age 16, how she was able to get information about the disease and treatment, and how that experience made her into an advocate for helping others. She emphasizes the...

This information sheet discusses the viral infections Hepatitis A, Hepatitis B, and Hepatitis C, which cause liver disease. It describes the modes of transmission for each, the epidemiology of these diseases in the United States, the difference between acute and chronic disease as well as the...

This information sheet discusses the viral infections Hepatitis A, Hepatitis B, and Hepatitis C, which cause liver disease. It describes the modes of transmission for each, the epidemiology of these diseases in the United States, the difference between acute and chronic disease as well as the...