Differences Between Hiv And Aids Pdf

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differences between hiv and aids pdf

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What Are HIV and AIDS?

The two go together. But why do people say both? All of these questions are valid. As this happens, the body is less able to fight off infections. When this happens, a person is considered to have an acquired immune deficiency, or AIDS. Basically, HIV is a virus that weakens the immune system.

Approximately 76 million people have become infected with HIV since the start of the epidemic. Over the past two decades, in particular, major global efforts have been mounted to address the epidemic, and significant progress has been made. The number of people newly infected with HIV, especially children, and the number of AIDS-related deaths have declined over the years, and the number of people with HIV receiving treatment increased to Still, remaining challenges continue to complicate HIV control efforts. Many people living with HIV or at risk for HIV infection do not have access to prevention, treatment, and care, and there is still no cure.

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 , [1] [2] a condition in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive. 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. HIV is a member of the genus Lentivirus , [15] part of the family Retroviridae. Many species are infected by lentiviruses, which are characteristically responsible for long-duration illnesses with a long incubation period. Upon entry into the target cell, the viral RNA genome is converted reverse transcribed into double-stranded DNA by a virally encoded enzyme, reverse transcriptase , that is transported along with the viral genome in the virus particle. The resulting viral DNA is then imported into the cell nucleus and integrated into the cellular DNA by a virally encoded enzyme, integrase , and host co-factors.

Similarities and differences between HIV and SARS-CoV-2

COVID is an emerging, rapidly evolving situation. Get the latest CDC public health information. HIV human immunodeficiency virus is a virus that attacks cells that help the body fight infection, making a person more vulnerable to other infections and diseases. It is spread by contact with certain bodily fluids of a person with HIV, most commonly during unprotected sex sex without a condom or HIV medicine to prevent or treat HIV , or through sharing injection drug equipment. So, once you have HIV, you have it for life.

HIV is spread primarily by unprotected sex including anal and oral sex , contaminated blood transfusions , hypodermic needles , and from mother to child during pregnancy , delivery, or breastfeeding. Methods of prevention include safe sex , needle exchange programs , treating those who are infected , as well as both pre- and post-exposure prophylaxis. HIV made the jump from other primates to humans in west-central Africa in the early-to-mid 20th century. Owing to their nonspecific character, these symptoms are not often recognized as signs of HIV infection. Even cases that do get seen by a family doctor or a hospital are often misdiagnosed as one of the many common infectious diseases with overlapping symptoms.

What Is the Difference Between HIV and AIDS?

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Human immunodeficiency virus (HIV) and acquired immunodeficiency syndrome (AIDS)

HIV is a virus. AIDS is a definition.

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4 Comments

  1. Durandana N. 03.06.2021 at 16:50

    The list may have some or all of the points shown alongside. 4. Explain: One big difference between. HIV and AIDS is that one is a virus, and the other is a.

  2. Job N. 05.06.2021 at 20:46

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  3. Ryan N. 06.06.2021 at 22:54

    Both pandemics are caused by RNA viruses and have reached us from animals.

  4. Luz W. 09.06.2021 at 10:16

    immune system is too weak to fight off infections. 2) The virus is not easily transmitted in the school setting. The virus cannot survive long outside of the human body.