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Public Health On Call

052 - Everything You Need to Know About Antibody Testing for COVID-19

Public Health On Call

The Johns Hopkins Bloomberg School of Public Health

News, Health & Fitness, Medicine

4.6644 Ratings

🗓️ 24 April 2020

⏱️ 15 minutes

🧾️ Download transcript

Summary

The market is suddenly flooded with antibody tests claiming to prove whether or not people have already been exposed to COVID-19. But two critical questions are yet unanswered: Are any of these tests accurate and does past exposure mean immunity?

Immunologist Dr. Gigi Gronvall of the Johns Hopkins Center for Health Security talks to Dr. Josh Sharfstein about a new report outlining the potential and pitfalls of antibody testing. They discuss how long it might be before we understand more about antibodies and immunity to COVID-19 and how widespread testing could help capture the true footprint of the coronavirus's spread.

Learn more: jhsph.edu/covid-19

Transcript

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0:00.0

Welcome to Public Health On Call, a new podcast from the Johns Hopkins Bloomberg School of Public Health.

0:12.7

Our focus is the novel coronavirus.

0:15.2

I'm Josh Sharfstein, a faculty member at Johns Hopkins, and also a former secretary of Maryland's health department.

0:21.6

Our goal with this podcast is to bring evidence and experts to help you understand today's

0:26.9

news about the novel coronavirus and what it means for tomorrow.

0:30.5

If you have questions, you can email them to public health question at jhh.edu.

0:36.3

That's public health question at jh.h. That's public health question at jh.edu for future podcast

0:41.3

episodes.

0:43.1

Today, I'm speaking to Dr. Gigi Grunval, senior scholar

0:47.3

at the Center for Health Security at the Johns

0:49.6

Hopkins Bloomberg School of Public Health.

0:52.5

She is an immunologist and the lead author of a new report

0:57.0

from the center about antibody testing. Let's listen. Dr. Grenwald, thank you so much for

1:05.0

joining me. You are an immunologist and you've just written this report about antibody testing through the Center for Health

1:12.1

Security at Johns Hopkins. Can you just start by telling me what an antibody is?

1:17.8

Sure. So an antibody is part of your response to an infection. And when you, if you were to get

1:25.8

infected by a virus, part of your immune response is to develop

1:29.4

antibodies. And so hopefully you are able, that's part of the way that you're able to fight

1:35.4

the virus of.

1:37.9

So anybody testing, what is it measuring actually?

1:42.4

It's measuring your response to the illness.

1:47.6

So it's not measuring the virus itself.

...

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