What is the difference between HIV and HIV-2?

What is the difference between HIV and HIV-2?

HIV-1 is the most common type of HIV and accounts for 95% of all infections, whereas HIV-2 is relatively uncommon and less infectious. HIV-2 is mainly concentrated in West Africa and the surrounding countries. HIV-2 is less fatal and progresses more slowly than HIV-1.

What are the main differences between HIV-1 and HIV-2?

HIV-1 and HIV-2 are the two most common subtypes of this virus. Most people living with HIV have HIV-1. While both types of HIV weaken the immune system, HIV-2 tends to develop more slowly and has a lower rate of transmission than HIV-1.

Is there a HIV-2?

The clinical course of HIV-2 infection is generally characterized by a longer asymptomatic stage, lower plasma viral loads, and a lower mortality rate than HIV-1 infection. However, without effective antiretroviral therapy (ART), HIV-2 infection will progress to AIDS and death in the majority of individuals.

What is HIV-2 antibody?

Positive HIV-2 antibody results indicate the presence of HIV-2 infection. Additional testing with a new whole blood specimen for HIV-2 DNA/RNA (FHV2Q / HIV-2 DNA/RNA Qualitative Real-Time PCR) is recommended to verify and confirm the diagnosis of HIV-2 infection prior to initiating antiretroviral treatment.

What to know about HIV infection Part 2?

People have a large amount of HIV in their blood.

  • Some people have flu-like symptoms.
  • But some people may not feel sick right away or at all.
  • If you have flu-like symptoms and think you may have been exposed to HIV,seek medical care and ask for a test to diagnose acute infection.

    • What are facts about HIV?

    HIV (human immunodeficiency virus) is a virus that attacks the body’s immune system. If HIV is not treated, it can lead to AIDS (acquired immunodeficiency syndrome). There is currently no effective cure. Once people get HIV, they have it for life. But with proper medical care, HIV can be controlled.

    What are the two types of HIV?

    Types. There are two different types of HIV. These are called HIV-1 and HIV-2.

  • Groups. HIV-1 viruses can be further classified into four different groups.
  • Subtypes. HIV-1 viruses within Group M are broken down even more into subtypes.
  • Strains. When a virus enters a host cell,it begins to replicate,meaning it makes more of itself.

    • Is HIV and AIDS 2 different viruses?

    Learning Break: Many people use the terms HIV and AIDS interchangeably, but it is important to remember that they are two different things. HIV is the virus that causes AIDS. AIDS is the disease – or group of diseases – that are caused by infection with HIV. Someone can be infected with HIV but not have AIDS.