Find Information About:

Drugs & Supplements

Get information and reviews on prescription drugs, over-the-counter medications, vitamins, and supplements. Search by name or medical condition.

Pill Identifier

Pill Identifier

Having trouble identifying your pills?

Enter the shape, color, or imprint of your prescription or OTC drug. Our pill identification tool will display pictures that you can compare to your pill.

Get Started

My Medicine

Save your medicine, check interactions, sign up for FDA alerts, create family profiles and more.

Get Started

WebMD Health Experts and Community

Talk to health experts and other people like you in WebMD's Communities. It's a safe forum where you can create or participate in support groups and discussions about health topics that interest you.

  • Second Opinion

    Second Opinion

    Read expert perspectives on popular health topics.

  • Community


    Connect with people like you, and get expert guidance on living a healthy life.

Got a health question? Get answers provided by leading organizations, doctors, and experts.

Get Answers

Sign up to receive WebMD's award-winning content delivered to your inbox.

Sign Up

HIV & AIDS Health Center

Font Size

HIV and AIDS: Who Is Affected - Topic Overview

HIV and AIDS can affect anyone. Worldwide, an estimated 33 million people are living with HIV or AIDS.1 In the United States, more than a million people are infected with HIV.2 Many of these people do not know they are infected.

Since the use of antiretroviral therapy (ART) became widespread in 1996, the incidence of AIDS has decreased. Factors responsible for the decline in the incidence of new AIDS cases include:3

Recommended Related to HIV/AIDS

Finding an HIV/AIDS Doctor

Finding the right HIV/AIDS doctor for you is one of the most important health care decisions you will make. This person will work closely with you, guiding you through many treatment decisions. Although it's important to seek care as soon as possible, don't rush into making a choice. Here are some things to consider.

Read the Finding an HIV/AIDS Doctor article > >

  • Fewer people are becoming infected with HIV today than in the early 1980s.
  • Improved treatments for HIV infection. ART slows the rate at which HIV multiplies in the body. This helps keep a person's immune system healthy longer, which may slow the rate at which opportunistic diseases (such as pneumonia) develop.
  • More effective treatments are available to prevent HIV-related infections.

    WebMD Medical Reference from Healthwise

    Last Updated: November 14, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
    Next Article:

    HIV and AIDS: Who Is Affected Topics

    Today on WebMD

    How much do you know?
    contemplative man
    What to do now.
    Should you be tested?
    HIV under microscope
    What does it mean?
    HIV AIDS Screening
    man opening condom wrapper
    HIV AIDS Treatment
    Discrimination Stigma
    Treatment Side Effects
    grilled chicken and vegetables
    obese man standing on scale
    cold sore