Everything you need to know about HIV and AIDS on this World AIDS Day

Acquired Immunodeficiency Syndrome (AIDS) is a chronic disease caused by the Human Immunodeficiency Virus (HIV). It is a potentially life-threatening condition as it damages a person’s immune system by attacking the T-helper cells (CD4) and lowering down the white blood cells count in the body. 
Let us now discuss all the essential details related to HIV and AIDS:

How are HIV and AIDS connected?

HIV is a virus and AIDS is an advanced medical condition which is caused by HIV virus in the long run. The virus weakens the immunity system of the body and makes it prone to many diseases, particularly AIDS. Medical experts categorize the progression of HIV into 3 stages:

Stage 1: Acute HIV Infection

Most patients are unable to recognize the infection caused by the virus until they experience some mild symptoms after 2 to 6 weeks. This is the stage where the body’s immune system fights back against the virus. Some possible signs and symptoms include:
·         Fever and headache
·         Diarrhea
·         Nausea and vomiting
·         Joint pain and muscle ache
·         Sore throat and swollen lymph nodes
Though these symptoms are mild and unnoticeable, medical experts believe that the amount of virus in the bloodstream is potentially high during this stage, which leads to significant spreading of infection and progression to next stage.

Stage 2: Chronic HIV

After the immunity system loses the battle against the virus, the flu-like symptoms may disappear. Medical experts name this stage as asymptomatic or clinical latent period. It is a stage where patients are unable to experience any symptoms for even over a period of 10 years, meanwhile the untreated virus continues to kill the T-cells and constantly lowers down the WBC count.

Stage 3: AIDS

AIDS is the advanced stage of untreated HIV that occurs when the T-cell counts fall below 200. With severely damaged immunity system, the body gets prone to develop opportunistic infections and cancers. Some signs and symptoms include:
·         Fever lasting for 10 days
·         Purplish spots on skin
·         Breathing problems
·         Severe and long lasting diarrhea
·         Yeast infection in throat or vagina
·         Unexplained bruises and bleeding 

Causes

HIV is a retrovirus that damages the vital body organs and cells of the human immune system. Though spreading of the virus can be limited with antiretroviral therapies, the rate of virus progression depends upon many other factors like age, other infections, genetic inheritance, and resistance to certain strains of HIV.
HIV is contagious and can be transmitted via:
·         Sexual transmission: Virus transmitted due to contact with infected sexual fluids
·         Perinatal transmission:  Virus transmitted from mother to child during childbirth
·         Blood transmission: Virus transmitted from virus infected blood syringes
The late stage HIV infection increases the risk of AIDS. Even after consistent efforts made by scientists and pharmaceutical companies, there’s still no cure for HIV and AIDS. Thus, medical experts advise people to take precautionary measures during sexual intercourse and medical treatments to avoid chronic conditions.  

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