SHORT ANSWER

HIV is a virus that affects the immune system. Effective treatment helps people with HIV stay healthy.

This guide gives general information to help you prepare for a conversation with a qualified health professional. Your timing, health history, medicines, and local guidance can change what is right for you.

KEY POINTS

What to know

  1. 01

    HIV and AIDS are related, but they are not the same thing.

  2. 02

    A test is the only way to know your HIV status.

  3. 03

    Treatment can reduce HIV in the body to an undetectable level.

FAST FACTS

Fast facts

The most important, source-aligned points for this page—at a glance.

1

A test is the only way to know your HIV status.

U=U

An undetectable viral load means HIV is not passed on through sex.

0

No risk from hugging, sharing food, toilets, or insect bites.

What is HIV infographic with Asian adults under 40 learning how HIV affects the immune system and how testing and treatment support health.

INFOGRAPHIC

What is HIV?

A plain-language visual explanation of the virus, testing, and effective care.

View CDC source
  • HIV is a virus that attacks the body's immune system.
  • The only way to know your HIV status is to get tested.
  • Proper medical care can control HIV and support a long, healthy life.
  • Without treatment, HIV can lead to AIDS; an HIV diagnosis does not mean a person has AIDS.

VISUAL SUMMARY

What is HIV?: understand, check, act

Use the three points below as a quick visual map before reading the detailed guide.

  1. Understand

    HIV and AIDS are related, but they are not the same thing.

  2. Check

    A test is the only way to know your HIV status.

  3. Act

    Treatment can reduce HIV in the body to an undetectable level.

This visual is a guide to the page—not a personal diagnosis or treatment recommendation.

BRING THIS TO A VISIT

Questions worth asking

A short list to help you get clear, personal answers from a provider.

  • Which HIV test fits my situation and timing?

  • How is my health information kept private?

  • What prevention options are right for me?

DETAILED GUIDE

A quick guide to What is HIV?

3 short partsAbout 2 min read
01

What What is HIV? means for you

HIV is a virus that affects the immune system. Effective treatment helps people with HIV stay healthy. That short answer is the place to begin; what matters next is how it fits your situation—your reason for reading, the timing of any event, and the support you can reach. Treat this guide as a map: it can help you prepare and ask better questions, while a qualified health professional applies the details to you.

02

The essentials for What is HIV?

HIV is a virus that affects the immune system; it is not the same as AIDS, the most advanced untreated stage. Symptoms cannot confirm or rule it out, so a test is the only way to know your status. HIV passes only through specific body fluids in specific situations—not through everyday contact such as hugging or sharing food—and effective treatment can make the virus undetectable.

03

Turn it into one next step

You do not need perfect medical words. Note any relevant dates, test names, or medicines, then choose one manageable action. For this page, a useful next step is plan an hiv test—a suggestion, not a rule. If it feels too big, make it smaller: save a phone number, check opening hours, or tell someone you trust. The plan can change as a result or new information arrives.

READY FOR THE NEXT STEP?

Keep your plan moving.

Plan an HIV testPrimary public-health source ↗

WHAT NEXT?

Turn the information into one clear action.

Use the next guide or service pathway to keep moving without having to start over.

Plan an HIV test

COMMON QUESTIONS

Before you move on

Can this page tell me exactly what I should do?

No. It can help you prepare, but a clinician should assess your individual situation—especially for urgent exposure, symptoms, testing timing, pregnancy, or medicine decisions.

How do I know the information is current?

Core medical claims are linked to public-health sources. Country-specific services, costs, legal rights, and clinical pathways must be locally verified before public launch.

SOURCES & REVIEW

Built for clarity and trust.

Content structure reviewed: 10 August 2026. Medical review and local service verification are required before public launch.

View the primary CDC HIV source