Today is World AIDS Day, a global event dedicated to raising awareness and to mourning those who have died from an HIV or AIDS-related illness. Globally, an estimated 36.7 million people have HIV, and since 1984, more than 35 million people have died of either HIV or AIDS.

HIV and AIDS are common terms, but there are still some myths surrounding both. Here are seven things that everyone should know about HIV and AIDS:

1. HIV, which stands for human immunodeficiency virus, attacks cells in the body that help the immune system. People with HIV are more likely to get infections if the virus goes untreated.

2. AIDS, or acquired immune deficiency syndrome, is the third and most severe stage of HIV. With AIDS, the immune system is badly damaged, and the body is much more susceptible to infection.

3. Transmission occurs most often during two very specific activities: sexual contact and sharing needles or syringes.

4. Casual contact will not transmit HIV. This includes touching, hugging, sharing public bathrooms or swimming pools, or sharing cups, utensils, or cell phones with someone who has HIV or AIDS. Bug bites from mosquitos or other insects also cannot transmit the virus.

5. Advances in treatment mean longer life expectancy. While antiretroviral therapy, or ART, does not cure HIV, it does allow an individual’s immune system to regain the capacity to fight off infections. Today, someone in the U.S. who is diagnosed with HIV can live nearly as long as someone who does not have the virus.

6. There is still no cure, though researchers are hard at work to develop a vaccine.

7. It’s still important to get tested. HIV rates of infection in the U.S. are down 18 percent since 2008, but African Americans and people living in the southeastern U.S. are diagnosed at disproportionately high rates.

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Infectious Diseases
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This content was produced by UK HealthCare Brand Strategy.