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US authorizes first at-home coronavirus test, with results in 20 minutes

Regulators say kits made by California-based Ellume, which will sell for around $30 and can be purchased over the counter, identify up to 96% of positive samples

A self-administered rapid coronavirus at-home test kit, developed by manufacturer Ellume. (Ellume via AP)
A self-administered rapid coronavirus at-home test kit, developed by manufacturer Ellume. (Ellume via AP)

WASHINGTON — The United States on Tuesday authorized its first rapid at-home test for the coronavirus, which is available over-the-counter and produces a result in around 20 minutes.

The test, made by California-based Ellume, will sell for around $30 and the company plans to roll out three million units in January 2021, and millions more in subsequent months.

Stephen Hahn, commissioner of the Food and Drug Administration, said the emergency use authorization represented a “major milestone.”

“We are helping expand Americans’ access to testing, reducing the burden on laboratories and test supplies, and giving Americans more testing options from the comfort and safety of their own homes,” he said.

It is an “antigen” test, meaning it works by detecting a surface molecule of the coronavirus, unlike the more common PCR tests that look for the virus’ genetic material.

The technology involved is similar to a home pregnancy test.

Healthcare workers take test samples
for coronavirus testing in Rishon Lezion on December 8, 2020 (Flash90)

The Ellume test uses a nasal swab that doesn’t go as far back as the nasopharyngeal swabs used in clinical settings, and is therefore more comfortable to self-administer.

The sample is then inserted into a single-use cartridge.

According to the FDA, it correctly identified 96 percent of positive samples and 100 percent of negative samples in individuals with symptoms.

In people without symptoms, the test correctly identified 91 percent of positive samples and 96 percent of negative samples.

The FDA said that for patients without symptoms, “positive results should be treated as presumptively positive until confirmed by another test as soon as possible.”

It added that individuals with positive results should self-isolate and seek additional care from their healthcare provider, while people who test negative but experience coronavirus symptoms should also seek to follow up with their health care provider.

The home test connects with an app on the user’s smartphone to interpret the results.

Results take as little as 20 minutes and are delivered via the app, which requires users to input their zip code and date of birth, to report to public health authorities.

Providing a name and email address is optional.

Ellume developed the test with $30 million in government funding from the National Institutes of Health.

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