HIV is caused by a virus. It can spread through sexual contact, illicit injection drug use or sharing needles, contact with infected blood, or from mother to child during pregnancy, childbirth or breastfeeding. HIV destroys CD4 T cells — white blood cells that play a large role in helping your body fight disease.Mar 26, 2022
Symptoms
The CDC-funded National HIV E-learning Centers offer a state-of-the-art online learning program for the HIV prevention workforce in communities that have been hit hardest by HIV. E-learning courses address implementation of CDC-supported high impact prevention (HIP) interventions and public health strategies as well as supplemental topics such as social determinants of …
Causes
The World Health Organization (WHO) classifies human immunodeficiency virus (HIV) into four stages. Stage 1 (HIV infection): The CD4+ cell count is at least 500 cells per microliter. Stage 2 (HIV infection): The CD4+ cell count is 350 to 499. Stage 3 (advanced HIV disease or AHD): The CD4+ cell count is 200 to 349.
Prevention
HIV (human immunodeficiency virus) is a virus that attacks the body's immune system, which is responsible for fighting infections.If HIV infection is not treated, the body does not fight infections or cancer as well as healthy people and people who have HIV can become sick easily.. Acquired immune deficiency syndrome is the late stage of HIV infection.
Complications
HealthHIV's HIV PREVENTION CERTIFIED PROVIDER program is an online, self-paced CME curriculum composed of five (5) free e-learning courses in HIV prevention detailing the pertinent clinical and practice information that clinicians need to effectively employ HIV prevention interventions. Upon successful completion of this program, participants:
What is the course of the HIV disease?
The three stages of HIV infection are (1) acute HIV infection, (2) chronic HIV infection, and (3) acquired immunodeficiency syndrome (AIDS). There is no cure for HIV, but treatment with HIV medicines (called antiretroviral therapy or ART) can slow or prevent HIV from advancing from one stage to the next.Aug 20, 2021
What are the 4 stages of HIV infection?
Stages of HIV infection
- Seroconversion illness. Some people experience a short illness soon after they contract HIV. ...
- The asymptomatic stage of HIV. Once seroconversion is over, most people feel fine and don't experience any symptoms. ...
- Symptomatic HIV. ...
- Late-stage HIV.
What is the most common reason for HIV?
The most common ways that people get HIV are having sex with an infected person and sharing a needle to take drugs. You cannot get HIV from: Touching or hugging someone who has HIV/AIDS.Apr 24, 2020
What does HIV do to a person?
HIV (Human Immunodeficiency Virus) is a virus that attacks the immune system. (The immune system fights infections and diseases in a person's body.) Over time, HIV weakens a person's immune system so it has a very hard time fighting diseases. HIV causes AIDS (Acquired Immune Deficiency Syndrome).
What is the difference between hiv1 and hiv2?
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.Aug 7, 2020
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