Lateral flow tests ‘don’t work as well in kids’ – 3 ways you’re doing them WRONG

CORONAVIRUS lateral flow tests don’t work as well on children, a new report has revealed.

The findings suggest that the swabs only pick up 64 per cent of infections in younger age groups.

Scientists have revealed that lateral flow tests used to detect coronavirus might not work as well on children as they do in adults

Scientists have revealed that lateral flow tests used to detect coronavirus might not work as well on children as they do in adultsKrediet: PA

Writing in the British Medical Journal, experts looked at 17 studies on lateral flow tests and how good they are at identifying infections in school-aged kids.

The British and German teams found that the tests detected 72 per cent of infections when kids had symptoms of Covid, such as the three main signs listed by the NHS as a new persistent cough, 'n hoë temperatuur en 'n verlies aan smaak en reuk.

But when children had no symptoms, the detection rate fell to 56 per cent and that overall they had an accuracy rate of 64 persent.

Lateral flow tests have been hailed as a way out of the pandemic as they allow people to check themselves for coronavirus in the comfort of their own homes in less than 30 minute.

When it comes to detecting the bug in adults, previous studies have shown that the tests are over 80 per cent effective at detecting any levels of the virus.

The paper, gepubliseer in Clinical Epidemiology found that the test detected 90 per cent of infections when people were most infectious.

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The UK Health Security Agency also previously found that lateral flow tests are as effective at detecting Omicron than other variants before it.

For most people who test positive with a lateral flow test, a follow up PCR test is no longer required, due to high infection rates.

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While infection rates are high, they are falling, and most people who catch Omicron say it feels like a common cold.

DIE meeste Britte is nou bekend met Omicron uiters positiewe studies show Omicron is milder than other strains in the vaccinated, met die eerste amptelike Britse verslag onthul die risiko van hospitalisasie is 50 aan 70 persent laer as met Delta.

Covid-booster-stoot beskerm teen Omicron en bied die beste kans om deur die pandemie te kom, gesondheidsbeamptes herhaaldelik gesê.

Die Son s'n Jabs weermag veldtog help om die noodsaaklike ekstra entstowwe in Brits te kry’ veldtog help om die noodsaaklike ekstra entstowwe in Brits te kry.

The authors of the BMJ paper explained that the results showed that the tests were not up to scratch with different regulatory bodies when it comes to testing on children.

The World Health Organisation, the Medicines and Healthcare products Regulatory Agency (MHRA) and the Food and Drug Administration (FDA) in die VSA , all require a success rate of at least 80 per cent for the tests.

Dr Naomi Fujita-Rohwerder, of the Institute for Quality and Efficiency in Health Care in Cologne, Germany said: “Taking into account test-specific pooled results, no test included in this review fully satisfied the minimum performance requirements as recommended by WHOthe US…or the MHRA in the UK.

This may affect the planned purpose of the broad implementation of testing programmes.

TESTING TIMES

Lateral flow tests have become a staple for most people, but there are three main ways that you could be doing them wrong.

Testing properly is important as it can help stop the spread of the virus.

Dr Nathan, an A&E doctor in London, who has been producing helpful posts on his Instagram page (@expedition_doctor) to explain all about Covid lateral flow tests (LFTs)

1. Food and drink

It’s important that when you do a lateral flow test you read the instruction leafleteven if you’ve done lateral flow tests before.

This is because tests are manufactured in different places and some require different wait times, while others require you to just swab your nose or your nose and throat.

Dr Nathan said: “Read the enclosed instructions all the way through before you start the test.

“Don’t forget to avoid eating or drinking for at least 30 minutes before, to blow your nose and to wash your hands!”

2. Look out

Failing to spot a positive test is one of the main ways people do the tests wrong.

“Any positive line within 30 minute, even if it is so faint that it is barely visible, equals a positive result.

'Egter, if a faint line appears after 30 minute, this can be ignored”, Dr Nathan said.

3. Swab it right

Dr Nathan said: “You should always follow the enclosed instructions.

“If the test advises doing a throat and nose swab, do this. If it advises a nose swab only, do this.

“That being said, there are some anecdotal reports of people getting a positive throat swab and a negative nose swab, and later developing symptoms and a positive PCR.”

I’m a doctor and this is how WATER or fizzy drinks can give a false positive lateral flow