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When To Test
    • Take the COVID and Flu Risk QuizFind out if you might have or might get COVID or flu.
    • COVID and Flu in Your AreaSee where surges are happening.
    • Why Testing MattersHow diseases spread, who's at highest risk, and what the latest COVID rules are for travel.
    • Quiz FAQsHave questions about the Quiz or the info in it? We've got answers.
    • Choosing a TestWhat kinds of home tests are there for COVID and flu? How do I choose which one to use?
    • Using At-Home TestsThere are lots of different kinds of COVID and flu tests. Find out how to use yours correctly — so you get the right result.
    • Treatment and Re-TestingFind out if you need treatment for flu or COVID, what treatment looks like, and where to get it. Learn why to re-test if you're COVID-negative.
    • COVID GuidelinesCOVID has special rules, whether you tested positive or negative.
    • ConnectAsk a question or sign up for the WhenToTest newsletter.
    • About UsLearn about the WhenToTest mission, team, and history.
    • NewsroomRead the latest news and media coverage about WhenToTest.
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Should I Test?

Learn your risk of getting COVID and/or flu.

Find out if a special event increases your risk.

Take the COVID and Flu Risk QuizWhere Are Surges Happening?

Choosing and Using Home Tests

Find out which test you need, which kind of test will be easiest to use, and how to use it.

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    What Kind of Test Should I Use?

    What kinds of home tests are there for COVID and flu? How do I choose which one to use?

    Learn more

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    Using At-Home Tests

    There are lots of different kinds of COVID and flu tests. Find out how to use yours correctly.

    Learn more

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I've Tested. Now What?

Testing is just the first part of the process. Here's what to do next.

Report Your ResultTreatment & Re-TestingCOVID Guidelines

Articles

WhenToTest homepage
Liz Ruark

WhenToTest — For COVID and Flu

At-home combination COVID and flu tests are almost here. WhenToTest is ready to help you use them.

82. Don’t Feel Like Getting Sick This Winter? Here’s One Weird Trick
Liz Ruark

Don’t Feel Like Getting Sick This Winter? Here’s One Weird Trick

There’s this cool thing that can really help keep you from getting the flu, a cold, or even COVID! It’s called a mask.

TBD
Kim Noble

Reading Roundup: Respiratory Virus Season

Here are our picks for the articles and status updates that will keep you informed this fall and winter.

80. Going Back to the Office — For Real This Time
Sam Johnston

Going Back to the Office — For Real This Time

How my partner tries to dodge COVID now that she’s been forced back in.

TBD
Liz Ruark

Keep Kids in School by Keeping the Air Clean

Use these tips and tools to help keep kids learning this fall and winter.

TBD
Kim Noble

Accessible Tests and Why You Should Care

Many design improvements that could make COVID tests more accessible for people with disabilities will make them easier to use for all of us.

TBD
Sam Johnston

Time to Get the Flu Vaccine

The flu season may come early again this year. The time to protect yourself is now.

Woman pointing to a COVID test result
Kim Noble

We're Still Not Done With COVID...Here's Why!

Even though the virus is under control to some degree, there is still a lot of important work happening to understand and improve how we manage it.

Regulation image
Kim Noble

EUAs: The Beginning and The End

Emergency Use Authorizations (EUAs) gave us COVID tests quickly. What happens to them when the emergency is over?

82. Don’t Feel Like Getting Sick This Winter? Here’s One Weird Trick
Liz Ruark

Don’t Feel Like Getting Sick This Winter? Here’s One Weird Trick

There’s this cool thing that can really help keep you from getting the flu, a cold, or even COVID! It’s called a mask.

When To Test

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Neither this site nor the Risk Quiz provides professional medical advice. Consult a qualified health care provider for answers to your medical questions. Personal information is not captured nor maintained on the whentotest.org site. CIMIT at MGH, the MIT IDSS, and the NIH RADx® Initiative disclaim all warranties, express and implied, with respect to this site and the Risk Quiz and make no warranty of any kind that the foregoing or any results of the use thereof will achieve any intended result or will be error-free. By accessing the site and/or the Risk Quiz, you acknowledge that the results of the use thereof are for illustrative purposes only and you waive all right to, and hold CIMIT at MGH, the MIT IDSS, and the NIH RADx® Initiative, as well as all related persons and entities, harmless from, any claim, liability, loss, damage, and expenses arising out of or in connection with your access to or use of the site or the Risk Quiz.

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This project has been funded by the National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, through the NIH RADx® Initiative.

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