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HIV infection and AIDS - Causes, Symptoms and Tests

What is HIV infection and AIDS?
  • The Human Immuno-deficiency Virus or HIV is the organism that ultimately causes AIDS. Soon after first getting the HIV infection the person has a short, self limiting ‘flue-like disease. 
  • This only lasts a few days and is so mild that many persons do not even know it. The virus slowly destroys the ability of the body to resist common communicable diseases. 
  • When tha resistance of the body is so reduced that infections can no longer be resisted, the person is said to have AIDS. The mean period between getting the HIV infection and developing AIDS is 9.8 years. 
  • In other words, in 9.8 years half the HIV infected persons can be expected to develop AIDS and conversely it must be emphasized that half the persons will still be well and healthy at this time.
  • Once a person has lost the ability to resist common infections and has developed AIDS, the prognosis is poor and death usually comes in 12 to 18 months unless anti-retroviral treatment is initiated. 
  • It must be stressed again that in the early stages of HIV infection, the person feels well and is able to function normally. Examination by a doctor will not reveal any illness and the only detected abnormality is a positive blood test.
  • AIDS is a serious illness caused by infection with the human immunodeficiency virus (HIV). HIV breaks down the body's immune system, so the person with AIDS can no longer fight off disease successfully. As a result, secondary infections, cancerscan more easily take root in the body.
  • It takes from 6 weeks to several months for the body to form sufficient antibodies (proteins produced in response to infection to show a positive test). 
  • When these antibodies can be detected in the blood, the patient is said to be HIV-positive. AIDS is a much later stage when the ability to fight off serious infections is lost.
How does it occur?
  • HIV is spread by unprotected penetrative sexual contact with an infected person. It can also be acquired when infected blood enters the persons’ blood by sharing needles or the transfusion of infected blood and organ transplants. 
  • Infection can also be transmitted from an infected mother to her child in the uterus, during delivery or while breastfeeding.
  • The virus is also found in smaller amounts in tears, saliva, brain, spinal fluid, urine, and faeces although contact with these bodily fluids is not likely to transmit the virus. 
  • Casual contact such as by shaking hands, social kisses, touching an infected person, touching something that the person has handled, using public toilets or telephones, or using swimming pools does NOT spread HIV. 
  • The available information also bears out that HIV is not spread by mosquito or other insect bites.
What are the symptoms?
The symptoms of AIDS are the symptoms of the diseases that attack the body because of a weakened immune system. One should never, therefore, attempt to diagnose HIV infection on the basis of symptom or signs only. Patients with HIV/AIDS may present with a variety of manifestations which include:
  • Fever, sweats, chills
  • Fatigue
  • Loss of appetite, weight loss
  • Nausea, vomiting
  • Sore throat
  • Diarrhea
  • Cough
  • Shortness of breath
  • Body rash
  • Skin problems
It is important to always keep in mind that all the above symptoms are non-specific and commonly occur in a variety of conditions. To establish a diagnosis of HIV/AIDS a blood test that has been confirmed is essential. A physical examination and other tests are necessary to rule out other illnesses.

How is a test for HIV infection done?
  • Most of the blood tests used to detect HIV infection work by detecting the presence of HIV antibodies. Keep in mind that early in infection there may not be sufficient antibodies present in the blood to give a positive reaction even though the person has HIV infection. 
  • This period is known as the “Window Period” and is dangerous as though the person has a negative test, infection can be spread through sex or blood.
  • The commonest test used is the ELISA test. The result of a single ELISA (or Rapid / Spot tests) should never be taken to indicate infection but merely as an indication for repeated tests to confirm the result. The WHO recommends that ERS (ELISA, Rapid or Spot) always be repeated to confirm the diagnosis, preferably using a different make of test kit. 
  • The Western Blot test is no longer recommended as a mandatory confirmatory test. A single positive test does not indicate infection and must always be confirmed. A negative test does not guarantee that a person is not infected where the risk exposure has occurred recently. 
  • If the person has only recently been infected, the antibodies may not yet have been formed (window phase). It may take up to 3 to even 6 months for someone to develop adequate antibodies after exposure to the virus. 
  • A confirmed positive test indicates that the person has been exposed to the virus and has developed antibodies but may not necessarily progress to full-blown AIDS.
Who is at high risk for HIV infection?
  • Men and women with more than one partner who have oral, anal, or vaginal sex without a condom
  • Sexual partners of people who are infected
  • People who receive regular blood transfusions (hemophilia and thalassaemia) or who received blood transfusion prior to the time screening of blood for HIV was made mandatory
  • Babies born to infected mothers
  • People who share needles (for IV drugs, tattooing or piercing) and their sexual partners
  • People who receive injections with recycled disposable syringes or needles
  • Prostitutes and their sex partners
How can exposure to HIV be avoided?
The best way of self-protection is to learn as much as possible about HIV infection, avoid risky behaviour, and follow guidelines for protection. Abstinence, non-penetrative sex or a stable relationship between mutually faithful partners is optimal. Where this is not possible, risk can be substantially reduced by the following:
  • Use latex condoms correctly and consistently. Keep in mind that condoms offer protection but risk is not totally eliminated by using condoms
  • Do not share needles and syringes for injecting drugs, preferably avoid intravenous drug abuse
  • Ensure the use of single use disposable needles and syringes for injection
  • Insist on sterile disposable syringes and needles for injections
  • Never use a paid blood donor
  • Get all sexually transmitted infections treated by a qualified doctor as soon as possible, also get your partner checked/treated
  • Do not visit prostitutes
  • Avoid casual sex
At this time, there is no cure or vaccination that will prevent HIV infection, though a lot of research is being done for a vaccine. Anyone engaging in high-risk behaviour should contact a physician to arrange for a complete physical examination and blood tests.
Instructions for using latex condoms?
  • Use a latex condom during intercourse or other acts involving contact with a man's penis
  • Put the condom on after the penis is erect but before intimate contact. Sores, any secretions from the penis (including semen), vaginal secretions, urine, faeces, and possibly saliva can contain sexually transmitted disease organisms
  • Put the condom on the head of the penis and unroll it all the way to the base
  • Leave an empty space at the end of the condom to collect semen.
  • Sqeeze the tip of the condom before rolling it on to the penis to ensure that no air is trapped in the bulb of the condom. Air if present can cause the condom to burst or rupture during use and thus expose the person to infection.
  • If a lubricant is desired, use one that is water-based. Do not use oil-based lubricants made with petroleum jelly, mineral oil, vegetable oil, or cold cream, because these may damage the condom.
  • After ejaculation, carefully withdraw the penis before it is completely limp and draw off the condom carefully to avoid spilling.
  • The used condom should be disposed of safely, preferably after tying a knot in it to avoid spilling of semen.
  • Store condoms in a cool, dark, dry place.
  • Do not use a condom which is sticky, brittle, discoloured, or obviously damaged
  • Use each condom only once
ELISA and Western Blot Tests
  • The most common test for AIDS is the ELISA (Enzyme-Linked Immuno-Sorbent Assay), which is performed on a blood sample. This test is very sensitive and detects almost all persons infected with the human immunodeficiency virus (HIV) except during the first few weeks of infection. The ELISA test detects the body's immune response to HIV.
  • Single tests must not be used to diagnose HIV infection. False positive test results are not infrequent with the ELIA and similar tests. Before making a diagnosis that a specimen is HIV positive, the test result must be confirmed by one or even two repeat tests, even on the same specimen if sufficient sample is available. 
  • The confirmatory repeat tests can be ELISA or Rapid / Spot tests. It is preferable to use test kits that are different when doing a confirmatory tests. Confirmation by the Western Blot test is no longer the recommended procedure.
  • Anyone with a positive test for HIV infection should seek follow-up medical evaluation, interpretation of the results, counselling, and advice for possible lifestyle changes. 
  • A negative HIV antibody test implies either the person has not been infected with the HIV virus or does not have a detectable level of HIV antibodies. 
  • If the results of the same test done six months later are still negative for HIV antibodies, AIDS infection is highly unlikely, assuming there have been no high-risk activities in those six months.

1 comments:

Micheal Byran said...

I am from USA. I was suffering from HIV and HEPATITIS B for over 3 years, i was hopeless until one of my friend directed me to a herbal man Dr Chike, she said the Dr has herbal medicine/cure that cures the HIV and HEPATITIS B also said the Dr has helped some of her friends with HERPES, CANCER, DIABETES, BV, UTI, HSV,ALS and LIVER disease etc, i never believed her but after a lot of talk, i decided to contact him, just few days ago i contacted him and he told me what to do which i did and he sent to me a herbal medicine via DHL with prescriptions on how i will take it for a period of days. After i finished taking the medicine for 2 weeks he told me to go for a test which i also did and when the result came out i was surprised to see that i am negative. I am proud to tell you that I am the happiest person on earth. Big thanks to Dr Chike herbs/cure.. I pray you find a solution in him. For more information on how to get cured contact him on his active email: drchikeherbalcure@gmail.com or Facebook page @ Dr Chike Herbal Remedy

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