Posts Falsely Claim That RT-PCR Tests Make Your Forehead Magnetic

Experts say that the claim about RT-PCR tests, which is used in the detection of COVID-19, have no basis in science.

Multiple posts shared online in South Korea claim that taking a polymerase chain reaction (PCR) test repeatedly for COVID-19 can make your forehead magnetic. However, the claim is the latest in a string of misleading claims linking coronavirus tests and vaccines to magnets.

The claim was shared here on South Korean blogging platform Naver Blog on May 25, 2021.

Also Read: Doctors Make Misleading COVID-19 Claims In New Liberty Coalition Video

The post includes a video clip of a woman separately putting a coin and a key on her forehead. As she shakes her head, the objects appear to stay attached.

"This is quite shocking. This shows why we must refuse to take COVID-19 tests. The person in the video has not received the COVID-19 jab yet. But she has been taking COVID-19 swab tests twice a week for a year. As a result, her forehead has become magnetic," reads the Korean-language claim.

Screenshot of the misleading Naver Blog post, taken on June 1, 2021.

A PCR test diagnoses people who are currently infected with SARS-CoV-2, the virus which causes COVID-19.

The test, which involves collecting a swab sample from a person's nose or throat, is considered the most accurate and reliable test for COVID-19.

An identical claim has been shared on Facebook here; Naver Blog here; and South Korean online community Daum Cafe here.

However, the claim is false.

'No basis in science '

The Korea Disease Control and Prevention Agency (KDCA) said the claim in the posts is baseless.

"It has no basis in science and does not make sense," a spokesman told AFP on May 28, 2021.

Experts also emphasised that a PCR test does not touch a person's forehead.

Also Read: Did The American Red Cross Say COVID-19 Vaccines Destroy Anti-bodies?

"To find out if a person has coronavirus, a healthcare worker uses a swab with a long shaft to gently scrape the back of the nasopharynx of that person. The nasopharynx is the upper part of the throat, right behind the nose," the University of Otago's Department of Biochemistry says on its website.

The PCR test guidelines on Britain's National Health Service's website include no mention of the forehead.

Static friction

South Korea's Ministry of Education cites static friction as one of the reasons why metal objects can be attached to the human body.

Static friction is friction between two or more solid objects that are not moving relative to each other.

"If we take the case of attaching a spoon to our body as an example, both the spoon and the surface of our body look smooth, but in fact, countless atoms and molecules protrude from the surface. Therefore, when we attach a metal spoon to our body, the spoon and these protrusions on our body come into contact with each other to generate friction," the ministry said on its official blog.

"The pressure at this point of contact is usually enormously greater than the average pressure across the surface, so the two points will instantly stick together."

Also Read: Moderna's COVID-19 Vaccine Does Not Contain Chloroform, Say Experts

AFP previously debunked false claims linking coronavirus and magnets here.

(Except for the headline, this story has not been edited by BOOM staff and is published from a syndicated feed.)

Updated On: 2021-06-04T17:40:02+05:30
Claim :   RT-PCR tests make your forehead magnetic.
Claimed By :  Posts on Facebook, Naver Blog here and Daum Cafe.
Fact Check :  False
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