Experts have word of caution for at-home COVID-19 antibody tests

Reporter: Veronica Marshall
Published: Updated:
A scientist presents an antibody test for coronavirus in a laboratory of the Leibniz Institute of Photonic Technology (Leibniz IPHT) at the InfectoGnostics research campus in Jena, Germany on April 3. (Credit: Jens Meyer/Associated Press)

Experts have a warning when it comes to antibody testing. Some people are going the “do-it-yourself” route and buying the tests online, but they say, buyer beware and the FDA is stepping in.

Ranga Sampath, PhD, CSO, with the Foundation for Innovative New Diagnostics says”Everybody wants to know – how can I, as an individual, get some information? … People are looking to try and get antibody tests from a peace of mind perspective.”

The demand is there, so the market delivered. Now, anyone can buy a COVID-19 antibody test online, but experts like Dr. Sampath warn not to just click on anything.

“All tests are not alike and we have seen the quality and performance of the tests vary quite significantly,” Sampath added.

Until May 4, the FDA allowed developers to validate their own tests, meaning they didn’t have to meet federal standards.

But now, the agency has tightened those requirements, ordering companies to submit proof their tests are accurate.

There’s also a congressional investigation into the accuracy of tests on the market.

Robert Hawkes, the director of FGCU’s physician assistant program says you should also talk to your doctor, “As providers, they’re going to know where the reliable tests are going to be coming from – where you can get accurate results.”

Healthcare providers can also talk to you about what those results mean.

Sampath also says, to be careful not to “overinterpret the results to mean something that it’s not. So what it’s not is a guarantee of ‘hey, you’ve already been exposed so you won’t get it again,’ or that you’re safe to go about.”

Hawkes agrees with that train of thought. “You could test negative today and yet, you could go out and contract the disease tomorrow. So certainly maintaining social distancing, doing the things that we’ve been doing, wearing face masks, are all very important to continue.”

Hurricane season is quickly approaching and the state says it’s looking for ways to make sure it has enough PPE.

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