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HIV

HIV, or Human Immunodeficiency Virus, is a virus that attacks the body's immune system. If left untreated, it can lead to AIDS (Acquired Immunodeficiency Syndrome), which is a chronic, potentially life-threatening condition. 

Here are some key points about HIV:

Transmission : HIV is primarily spread through unprotected sex, sharing needles, and from mother to child during pregnancy, childbirth, or breastfeeding.

Symptoms : Early symptoms can include flu-like symptoms such as fever, headache, and muscle aches. As the virus progresses, it weakens the immune system, making the person more susceptible to infections and diseases.

Treatment : While there is no cure for HIV, antiretroviral therapy (ART) can control the virus and help people live long, healthy lives. ART reduces the viral load in the body to undetectable levels, meaning the virus cannot be transmitted to others.

Prevention : Using condoms during sex, not sharing needles, and taking pre-exposure prophylaxis (PrEP) can significantly reduce the risk of HIV infection.


This is for informational purposes only. For medical advice or diagnosis, consult a professional.

HIV stands for Human Immunodeficiency Virus. It is a virus that attacks the body's immune system, specifically targeting CD4+ T cells, which are crucial for fighting off infections. Over time, HIV can weaken the immune system to the point where it can no longer effectively combat opportunistic infections and certain cancers, leading to a condition called AIDS (Acquired Immunodeficiency Syndrome).

HIV is primarily transmitted through:

There is no cure for HIV, but with early diagnosis and effective antiretroviral therapy (ART), people living with HIV can manage the virus and live long, healthy lives. ART suppresses the virus, preventing it from replicating and damaging the immune system further.

Here are some key facts about HIV:



HIV (Human Immunodeficiency Virus) is a virus that attacks the body's immune system, specifically the CD4 cells (T cells), which help the immune system fight off infections. If left untreated, HIV can lead to AIDS (Acquired Immunodeficiency Syndrome), which is the final stage of HIV infection. While there is no cure for HIV, it can be managed with proper treatment.

Key Points About HIV:

Importance of Early Diagnosis and Treatment:

Early testing and diagnosis of HIV are important because early initiation of ART can help prevent the development of AIDS and allow people with HIV to live healthier, longer lives. Regular monitoring of viral load and CD4 count helps to manage treatment effectively.

If you or someone you know is at risk for HIV or is living with HIV, it is important to seek medical advice, get tested regularly, and adhere to prescribed treatment plans to maintain good health and prevent transmission.


The human immunodeficiency viruses (HIV) are two species of Lentivirus (a subgroup of retrovirus) that infect humans. Over time, they cause acquired immunodeficiency syndrome (AIDS), a condition in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive. Without treatment, average survival time after infection with HIV is estimated to be 9 to 11 years, depending on the HIV subtype. In most cases, HIV is a sexually transmitted infection and occurs by contact with or transfer of blood, pre-ejaculate, semen, and vaginal fluids. Research has shown (for both same-sex and opposite-sex couples) that HIV is untransmittable through condomless sexual intercourse if the HIV-positive partner has a consistently undetectable viral load. Non-sexual transmission can occur from an infected mother to her infant during pregnancy, during childbirth by exposure to her blood or vaginal fluid, and through breast milk. Within these bodily fluids, HIV is present as both free virus particles and virus within infected immune cells.

HIV infects vital cells in the human immune system, such as helper T cells (specifically CD4+ T cells), macrophages, and dendritic cells. HIV infection leads to low levels of CD4+ T cells through a number of mechanisms, including pyroptosis of abortively infected T cells, apoptosis of uninfected bystander cells, direct viral killing of infected cells, and killing of infected CD4+ T cells by CD8+ cytotoxic lymphocytes that recognize infected cells. When CD4+ T cell numbers decline below a critical level, cell-mediated immunity is lost, and the body becomes progressively more susceptible to opportunistic infections, leading to the development of AIDS. | Wikipedia 

La infección por el virus de la inmunodeficiencia humana y el síndrome de inmunodeficiencia adquirida (VIH/sida)​ son un espectro de enfermedades causadas por la infección provocada por el virus de la inmunodeficiencia humana (VIH).​ Tras la infección inicial, una persona puede no notar síntoma alguno o bien puede experimentar un periodo breve de cuadro tipo influenza.​ Típicamente, le sigue un periodo prolongado sin síntomas.​ A medida que la infección progresa, interfiere más con el sistema inmunitario, aumentando el riesgo de infecciones comunes como la tuberculosis, además de otras infecciones oportunistas y tumores que raramente afectan a las personas con un sistema inmunitario indemne.​ Estos síntomas tardíos de infección se conocen como sida,​ etapa que a menudo también está asociada con pérdida de peso.​

El VIH se contagia principalmente por sexo desprotegido (incluido sexo anal y oral), transfusiones de sangre contaminada, agujas hipodérmicas y de la madre al niño durante el embarazo, parto o lactancia. Algunos fluidos corporales, como la saliva y las lágrimas, no transmiten el VIH. Entre los métodos de prevención se encuentran el sexo seguro, los programas de intercambio de agujas, el tratamiento a los infectados y la circuncisión.​ La infección del bebé a menudo puede prevenirse al dar medicación antirretroviral tanto a la madre como el niño.​ No hay ninguna cura o vacuna; no obstante, el tratamiento antirretroviral puede retrasar el curso de la enfermedad y puede llevar a una expectativa de vida cercana a la normal.​ Se recomienda iniciar el tratamiento apenas se haga el diagnóstico.​ Sin tratamiento, el tiempo de vida promedio después de la infección es 11 años. | Wikipedia