What is HIV Risk Report?

HIV Risk Report is a private HIV risk calculator and educational report tool. It estimates the statistical risk of HIV transmission from a single sexual encounter using published epidemiological data, including sources such as the CDC, UNAIDS and peer-reviewed HIV transmission studies. The calculator translates exposure details into one clear probability, shown as both a percentage and a “1 in X” figure. This report does not diagnose HIV or predict individual outcomes, but it helps replace vague anxiety with realistic context, testing-window guidance and next steps.

How does the HIV risk calculator work?

You answer confidential questions about your encounter, location, sex type, condom use, PrEP or PEP use, partner HIV status and other risk factors. The calculator maps your answers to an epidemiological framework using country-level HIV prevalence, treatment coverage and act-specific transmission probabilities. It then produces a six-page PDF report with your calculated estimate, the logic behind it and clear next steps.

Why should I trust the results from HIV Risk Report?

The model is built from peer-reviewed HIV transmission research, UNAIDS and CDC data and calibrated against global prevalence figures. The report explains how each input changes the final probability so you can see the logic rather than a black-box number. It is a decision-support tool that turns anxiety and guesswork into a structured, evidence-based estimate.

How fast will I receive my HIV risk report?

After you complete the assessment, you receive your personalised six-page PDF report in under thirty minutes. The report is delivered in an encrypted format for privacy.

Is my information private when I use the HIV Risk Report tool?

Yes. The assessment is designed to be private and anonymous. You enter information about your encounter and location so the calculator can estimate risk. The goal is to give you clarity and peace of mind without exposing your identity.

Is HIV Risk Report a replacement for a doctor or HIV test?

No. HIV Risk Report is an educational tool that helps you understand probability based on your encounter and current research. It does not diagnose HIV or replace medical advice, testing or treatment. You should speak with a healthcare professional and follow local testing guidelines if you are concerned about HIV.

HIV Risk Report

Clearer context while you wait. A better path toward testing.

Stop the endless Googling and put your HIV risk into perspective while you wait to test with a private, personalized educational report.

Last updated: 27 August 2026

Perspective while you wait

Waiting for an HIV test or window period to pass can mean days or weeks of uncertainty, endless Googling, symptom checking and worst-case thinking. HIV Risk Report is a private, paid, educational 6-page written report designed to help put that uncertainty into perspective. Tell us what happened and we use published HIV transmission research, population data and the details you provide to estimate the statistical risk associated with that encounter. The report explains which factors mattered, shows the estimate as a percentage and a clear "1 in X" figure, and gives testing dates based on your encounter date, HIV test type and the relevant window period. It is educational information, not a diagnosis or HIV test. Testing provides the definitive answer. Our goal is to help you feel more informed, more prepared and, if fear has been holding you back, more ready to take that next step and test.

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HIV Risk Report

Private
Confidential report

Your encounter
Not a generic risk label

Personalized test plan
Window periods + dates

From uncertainty to perspective

Your personalized written report is prepared and delivered in under 30 minutes.

Tell us what happened: Confidentially enter the details of your encounter, including the factors that can actually affect HIV risk.
Put the numbers in context: We combine the details you provide with published transmission, prevalence and treatment evidence to produce a statistical estimate, giving you something more grounded than another round of searching online.
Know when to test: Your encounter date is used to calculate a personalized testing timetable across different HIV test types and their window periods, including RNA, fourth-generation lab and antibody-based testing.
Take the next step: Understanding the numbers can help make the situation feel more manageable and help you feel more prepared to test, especially if fear or uncertainty has been making you avoid it.

Why trust the estimate

Reassurance only helps when there is something real behind it.

Evidence-based: Built from peer-reviewed HIV transmission research and calibrated using real-world epidemiological data.
Transparent calculation: See our methodology and data sources , including the factors that can increase or reduce the final estimate.
Built around your situation: Estimates account for the country and encounter details you provide instead of assuming every exposure carries the same risk.
Perspective, not promises: We do not tell you that you are HIV negative. Only testing can do that. We give you a grounded statistical estimate, a testing timetable and clear next steps to help you understand what happened and move forward.

A different question than the CDC Risk Estimator

The CDC Risk Estimator is designed to show the risk of a single sexual act when one partner has HIV and the other does not, and how factors such as condoms, PrEP, treatment and viral suppression can change that risk. HIV Risk Report starts from a different situation: you may not know your partner's HIV status, and you want to understand the statistical context around your specific encounter.

CDC Estimate the HIV Risk

Educational per-act estimator

The question it answers "If one partner has HIV and the other does not, how does this sexual act compare, and how do selected risk or protective factors change it?"

Start with different HIV statuses.
The estimator models a discordant partnership: one partner has HIV and the other does not.
Choose a single sexual activity.
Select the act and role to view the published per-act transmission estimate.
Add selected factors.
Explore how condoms, PrEP, ART with undetectable viral load, acute HIV or another STI can change that per-act estimate.

You learn about the risk of the sexual activity within that HIV-status scenario. The estimator does not estimate the probability that an unknown-status partner actually had HIV.

HIV Risk Report

Personalized educational report

The question we help put into perspective "I don't know whether my partner had HIV. Based on the details I know about this encounter, what does the available evidence suggest about the statistical risk associated with it?"

Estimate the partner HIV starting likelihood.
The calculation begins with relevant population and country-level prevalence data, then incorporates the partner information you provide where appropriate.
Account for treatment and viral suppression.
Where partner treatment status is unknown, the calculation uses applicable population-level treatment and viral-suppression assumptions rather than treating every person with HIV as equally likely to transmit.
Apply your encounter details.
Sexual activity, role, condoms, PrEP, ejaculation, tissue conditions and other relevant inputs are incorporated into the statistical estimate.
Put the result into perspective and know when to test.
The report presents the estimate as a percentage and a clear 1 in X figure, explains what affected it, and gives testing dates based on your encounter.

You receive an educational written report with a statistical estimate for the situation you described, plus the assumptions, context and testing timetable behind it. Only HIV testing can determine your status.

In short: the CDC estimator starts with a known HIV-status scenario and explains per-act risk. HIV Risk Report starts with the uncertainty many people actually face, then combines the information you provide with population-level evidence to put that encounter into statistical perspective and help you move toward appropriate testing.

CDC comparison based on the CDC HIV Risk Reduction Tool's current "Estimate the HIV Risk" description and methodology. CDC data are independent public-health sources and do not endorse HIV Risk Report.

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HIV Risk Report

Stop searching the same questions. Understand the numbers, know when to test, and take the next step with more perspective.

Methodology and limitations

HIV Risk Report is educational information designed to help put an encounter into statistical perspective while you wait to test. Estimates are based on published research, public-health data and the information you provide. They cannot determine whether you have HIV and should not replace testing or advice from a qualified healthcare professional. Read our methodology and data sources .

Stop guessing. Put the risk into perspective. Private 6-page educational report

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Report