AIDS and HIV
WHAT IS HIV?
HIV is a virus that attacks cells in the immune system, which is our body’s natural defence against illness. The virus destroys a type of white blood cell in the immune system called a T-helper cell, and makes copies of itself inside these cells. T-helper cells are also referred to as CD4 cells.
As HIV destroys more CD4 cells and makes more copies of itself, it gradually weakens a person’s immune system. This means that someone who has HIV, and isn’t taking antiretroviral treatment, will find it harder and harder to fight off infections and diseases.
If HIV is left untreated, it may take up to 10 or 15 years for the immune system to be so severely damaged that it can no longer defend itself at all. However, the rate at which HIV progresses varies depending on age, general health and background.
BASIC FACTS ABOUT HIV
- HIV stands for human immunodeficiency virus.
- People with HIV can enjoy a long and healthy life by taking antiretroviral treatment which is effective and available to all.
- Once a person has HIV, the earlier they are diagnosed, the sooner they can start treatment which means they will enjoy better health in the long term.
- It’s possible for antiretroviral treatment to reduce the level of HIV in the body to such low levels that blood tests cannot detect it. People living with HIV whose viral load is confirmed as undetectable cannot pass on HIV.
- Regular testing for HIV is important to know your status.
- HIV is found in semen, blood, vaginal and anal fluids, and breastmilk.
- HIV can’t be transmitted through sweat, saliva or urine.
- Using external (or male) condoms or internal (or female) condoms during sex is the best way to prevent HIV and other sexually transmitted infections.
- If you inject drugs, always use a clean needle and syringe, and never share equipment.
- If you’re pregnant and living with HIV, the virus in your blood could pass into your baby’s body, during birth or afterwards through breastfeeding. Taking HIV treatment and becoming undetectable eliminates this risk.
WHAT IS AIDS?
AIDS is a set of symptoms (or syndrome as opposed to a virus) caused by HIV. A person is said to have AIDS when their immune system is too weak to fight off infection, and they develop certain defining symptoms and illnesses. This is the last stage of HIV, when the infection is very advanced, and if left untreated will lead to death.
BASIC FACTS ABOUT AIDS
- AIDS stands for acquired immune deficiency syndrome; it’s also called advanced HIV infection or late-stage HIV.
- AIDS is a set of symptoms and illnesses that develop as a result of advanced HIV infection which has destroyed the immune system.
- Fewer people develop AIDS now because treatment for HIV means that more people are staying well.
Symptoms
The symptoms of HIV and AIDS vary, depending on the phase of infection.
Primary infection (Acute HIV)
Most people infected by HIV develop a flu-like illness within a month or two after the virus enters the body. This illness, known as primary or acute HIV infection, may last for a few weeks. Possible signs and symptoms include:
- Fever
- Headache
- Muscle aches and joint pain
- Rash
- Sore throat and painful mouth sores
- Swollen lymph glands, mainly on the neck
These symptoms can be so mild that you might not even notice them. However, the amount of virus in your bloodstream (viral load) is quite high at this time. As a result, the infection spreads more easily during primary infection than during the next stage.
Clinical latent infection (Chronic HIV)
In some people, persistent swelling of lymph nodes occurs during this stage. Otherwise, there are no specific signs and symptoms. HIV remains in the body and in infected white blood cells.
This stage of HIV infection generally lasts around 10 years if you're not receiving antiretroviral therapy. But sometimes, even with this treatment, it lasts for decades. Some people develop more severe disease much sooner.
Symptomatic HIV infection
As the virus continues to multiply and destroy your immune cells — the cells in your body that help fight off germs — you may develop mild infections or chronic signs and symptoms such as:
- Fever
- Fatigue
- Swollen lymph nodes — often one of the first signs of HIV infection
- Diarrhea
- Weight loss
- Oral yeast infection (thrush)
- Shingles (herpes zoster)
Progression to AIDS
Thanks to better antiviral treatments, most people with HIV in the U.S. today don't develop AIDS. Untreated, HIV typically turns into AIDS in about 10 years.
When AIDS occurs, your immune system has been severely damaged. You'll be more likely to develop opportunistic infections or opportunistic cancers — diseases that wouldn't usually trouble a person with a healthy immune system.
The signs and symptoms of some of these infections may include:
- Soaking night sweats
- Recurring fever
- Chronic diarrhea
- Persistent white spots or unusual lesions on your tongue or in your mouth
- Persistent, unexplained fatigue
- Weight loss
- Skin rashes or bumps
How does HIV become AIDS?
HIV destroys CD4 T cells — white blood cells that play a large role in helping your body fight disease. The fewer CD4 T cells you have, the weaker your immune system becomes.
You can have an HIV infection for years before it turns into AIDS. AIDS is diagnosed when the CD4 T cell count falls below 200 or you have an AIDS-defining complication.
How HIV spreads
To become infected with HIV, infected blood, semen or vaginal secretions must enter your body. This can happen in several ways:
- By having sex. You may become infected if you have vaginal, anal or oral sex with an infected partner whose blood, semen or vaginal secretions enter your body. The virus can enter your body through mouth sores or small tears that sometimes develop in the rectum or vagina during sexual activity.
- From blood transfusions. In some cases, the virus may be transmitted through blood transfusions. American hospitals and blood banks now screen the blood supply for HIV antibodies, so this risk is very small.
- By sharing needles. Sharing contaminated intravenous drug paraphernalia (needles and syringes) puts you at high risk of HIV and other infectious diseases, such as hepatitis.
- During pregnancy or delivery or through breast-feeding. Infected mothers can pass the virus on to their babies. HIV-positive mothers who get treatment for the infection during pregnancy can significantly lower the risk to their babies.
HOW CAN AIDS AND HIV BE PREVENTED?
HIV and AIDS is spread through semen, vaginal fluids, blood, and breast milk. Protect yourself by using condoms every time you have sex, and don't share needles with anyone. You can also ask your doctor about PrEP — a daily pill that helps prevent HIV and AIDS.
VIDEOS ABOUT HIV AND AIDS:
OPINION:
My Opinion is although there is no cure for HIV with the right treatment and support, people living with HIV can enjoy long and healthy lives. To do this it’s especially important to commit to taking treatment correctly. We shouldn't discriminate people with HIV and AIDS. If you think you may have been infected with HIV or are at risk of contracting the virus see a health care provider as soon as possible.And if you have a friend that has hiv or aids don't discrimanate him/her support him/her.
A beautiful article
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ReplyDeleteWhat does AIDS stand for?
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