Pediatric AIDS Resources
Pediatric AIDS Resources
About Pediatric HIV and AIDS
- What is HIV?
The human immunodeficiency virus (HIV) causes acquired immunodeficiency syndrome (AIDS). HIV can be transmitted during sexual intercourse, pregnancy (i.e., from mother to fetus), childbirth, breastfeeding, and other forms of exposure to bodily fluids that carry the virus. When the virus enters the body, it injects itself into vital immune cells called CD4 cells. In the absence of treatment, HIV continues to replicate itself within the body, eventually leading to severe immunodeficiency, chronic illness, and death.
- What is AIDS?
AIDS represents an advanced stage of HIV infection. In most cases, a person living with HIV eventually develops AIDS. AIDS is characterized by severely diminished immune system function, where the body is highly vulnerable to infections and cancers that are typically fought off by a healthy immune system. As defined by the U.S. Centers for Disease Control and Prevention, a person has AIDS when HIV has drastically reduced his or her CD4 cell count, or when a person living with HIV is diagnosed with at least one opportunistic infection (i.e., an infection that does not normally occur in someone with a healthy immune system).
- How many children are living with HIV?
Of the 33.3 million people living with HIV globally, 2.5 million are children under 15 years of age. An estimated 370,000 children were newly infected with HIV in 2009. Further, it is estimated that more than 1,000 children are newly infected with HIV every day (UNAIDS Report on the Global AIDS Epidemic 2010).
- How do children become infected with HIV?
According to the 2010 Towards Universal Access Progress Report, more than 90 percent of HIV infections in children result from mother-to-child-transmission, where the virus is passed from a mother living with HIV to her baby during pregnancy, childbirth, or breastfeeding. While the precise mechanisms for viral transmission during pregnancy are incompletely understood, the risk of this form of transmission increases in direct relation to the severity of the mother’s HIV infection.
- How does HIV affect children?
Because children’s immune systems are not fully developed, children living with HIV get sick more severely than adults. They may experience the same common pediatric infections as HIV-negative children, but cannot fight these infections as effectively. Common infections in HIV-positive children include ear and sinus infections, sepsis, pneumonias, urinary tract infections, intestinal illness, skin disease, and meningitis. In developing countries in particular, tuberculosis, diarrhea, and respiratory illnesses are common in HIV-positive children.
- How can HIV infection in children be prevented?
The most effective method for preventing mother-to-child transmission (PMTCT) of HIV is by initiating treatment-eligible HIV-positive pregnant women on antiretroviral therapy (ART) as early as possible. If a woman is not eligible for ART, or ART is not available, a simple course of antiretroviral (ARV) drugs can be given to the mother, starting early in pregnancy, and to her infant immediately following delivery. Extending the course of ARVs through the breastfeeding period also decreases the likelihood of HIV transmission via breast milk.
ARVs decrease the amount of virus in the mother’s bloodstream, thus reducing the risk that she will transmit the infection to her infant. These drugs also have a protective effect on the child before and after birth, helping its body resist infection. Worldwide, 53% of women in low- and middle-income countries received antiretroviral medication to prevent mother-to-child transmission of HIV in 2009. (UNAIDS Report on the Global AIDS Epidemic 2010).
- How is HIV infection in children treated?
There is no cure for HIV infection. Early infant diagnosis is critical, however. When ART is administered as early as possible in the course of infection, it can help children living with HIV lead longer, healthier lives. Taken every day, these medicines can drastically reduce the concentration of HIV in the bloodstream and increase levels of CD4 cells, thereby slowing the progression of the disease.
Sadly, most children still do not have access to ART. Without diagnosis and treatment, one-third of infected infants will die before the age of one, and almost half before their second birthday (UNAIDS Report on the Global AIDS Epidemic 2010).
View the statistics in this Elizabeth Glaser information graph.
To Get Involved Join A Mother's Fight and Help End Pediatric AIDS Around the World.
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