COVID rapid antigen tests can return false negatives, but experts say they're accurate when it counts the most
3 years, 3 months ago

COVID rapid antigen tests can return false negatives, but experts say they're accurate when it counts the most

ABC  

When Sydney man Andrew Colagiuri developed COVID-19 symptoms, he was too sick to line up for a standard swab, known as a PCR test. Key points: Rapid antigen tests are more likely to return false negatives than PCR tests But experts say they are useful for identifying when a person is at their most infectious There are calls for a national RAT strategy to help reduce pressure on the main testing system "My symptoms were pretty bad. "The advantage of this test is that it's really convenient and you get the results really quickly, but its disadvantage is it's got a much higher false negative rate," Dr Moy said. "I think we need a common approach across Australia with the rollout of the rapid antigen tests," Professor Dantas said. As COVID-19 cases rise across Australia and the threat of the Omicron variant looms over Christmas celebrations scheduled for the days ahead, some believe making rapid antigen tests free would help curb rising infections.

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History of this topic

Rapid antigen tests should still be used for COVID-19, but some brands are better than others
1 year, 4 months ago

Rapid antigen tests should still be used for COVID-19, but some brands are better than others

ABC  

OK, hands up — who has a stockpile of COVID rapid antigen tests in the cupboard? Key points: There is a wide variation in the accuracy of COVID rapid antigen tests Experts say we still need RATs to stop the spread of COVID and ensure timely treatment There's a lot you can do to maximise the accuracy of RATs As …

Concerns over accuracy of COVID rapid test results when first sick
2 years, 7 months ago

Concerns over accuracy of COVID rapid test results when first sick

LA Times  

At-home coronavirus screening has become a way of life for many Californians, but some medical experts are now cautioning that one test may not be enough to definitively determine whether someone is infected. “However, if you perform an at-home COVID-19 antigen test, you could get a false negative result.” World & Nation CDC director announces shake-up, citing COVID mistakes The …

FDA: Take 3 home tests if exposed to COVID to boost accuracy
2 years, 7 months ago

FDA: Take 3 home tests if exposed to COVID to boost accuracy

Associated Press  

WASHINGTON — If you were exposed to COVID-19, take three home tests instead of two to make sure you’re not infected, according to new U.S. recommendations released Thursday. Previously, the Food and Drug Administration had advised taking two rapid antigen tests over two or three days to rule out infection. Thursday’s update reflects the evolving understanding of the accuracy of …

COVID-19: New saliva-based home testing as effective as RT-PCR
2 years, 7 months ago

COVID-19: New saliva-based home testing as effective as RT-PCR

Firstpost  

The researchers have developed a palm-sized testing kit, where an individual spits into a cartridge and inserts it into the processing platform. Within 45 minutes, test results are sent to a custom android app developed by the researchers Washington: Cutting short the hassle of having to go through an RT-PCR and waiting for days for the result, the researchers at …

My At-Home Rapid Test Is Negative, But Could I Still Have COVID?
2 years, 11 months ago

My At-Home Rapid Test Is Negative, But Could I Still Have COVID?

Huff Post  

LOADING ERROR LOADING In the age of omicron, where COVID’s attack rate is higher than previous variants, entire households and friend groups are getting sick. As variants have emerged, scientists have wondered if the new mutations could impact rapid tests’ ability to detect the changing virus — but this hasn’t been the case. A study from UMass Chan Medical School …

How accurate are COVID-19 rapid antigen tests, and when is the best time to use them?
2 years, 11 months ago

How accurate are COVID-19 rapid antigen tests, and when is the best time to use them?

ABC  

Rapid antigen tests, better known as RATs, have become an important tool in Australia's arsenal against COVID-19. "If people are symptomatic, they often have more virus present in their nose or mouth … and so rapid tests perform better," said infectious diseases physician and microbiologist Paul Griffin. "We've seen lots of rapid antigen tests be positive in recent times for …

Smartphone app screening coughs for COVID-19 returns promising trial results, company says
3 years ago

Smartphone app screening coughs for COVID-19 returns promising trial results, company says

ABC  

People worried they might have COVID-19 could soon use a simple phone app to see if they are positive for the virus. Key points: An Australian company says its app can detect COVID-19 A trial of 700 people detected the virus in 92 per cent of cases Respiratory specialists say the app could improve access to testing Early results of …

Rapid antigen tests compulsory for people presenting to WA hospitals, as COVID outbreak grows
3 years, 1 month ago

Rapid antigen tests compulsory for people presenting to WA hospitals, as COVID outbreak grows

ABC  

Rapid antigen test screening is being introduced in hospitals across Perth and the South West today, as the state records 26 new local cases of COVID-19. Key points: Rapid Antigen Tests will be conducted outside hospitals before patients are allowed in Rapid Antigen Tests will be conducted outside hospitals before patients are allowed in The tests will be used at …

South Australia records one COVID-linked death and 1,234 new cases, authorities urge more people to get PCR tests
3 years, 1 month ago

South Australia records one COVID-linked death and 1,234 new cases, authorities urge more people to get PCR tests

ABC  

South Australia has recorded another COVID-linked death and 1,234 new cases of the virus, with health authorities now seeking to arrest a decline in PCR testing. "It's far more accurate than rapid antigen tests, so we're now saying, as of today, everyone with symptoms, whether they be a close contact or somebody who develops symptoms, needs to have the PCR …

NSW residents buy repackaged COVID rapid antigen tests amid ongoing shortage
3 years, 2 months ago

NSW residents buy repackaged COVID rapid antigen tests amid ongoing shortage

ABC  

Consumers are being warned to look out for repackaged COVID testing kits after some were sold in regional New South Wales. Key points: Authorities are warning RAT tests that have been repackaged could be compromised It comes as several regional NSW residents report being sold such tests The health department says retailers that sell RAT tests separately could be breaking …

COVID-19 rapid antigen tests are now free for some Australians. Here's how to get one
3 years, 2 months ago

COVID-19 rapid antigen tests are now free for some Australians. Here's how to get one

ABC  

More than six million Australians can now access rapid antigen tests for free — if they can find them on the shelves of notoriously low-stocked pharmacies. People who hold any of the following concession cards can access up to 10 free rapid tests from pharmacies over the next three months: Pensioner concession card Commonwealth seniors health card DVA gold, white …

Why rapid COVID tests aren't more accurate and how scientists hope to improve them
3 years, 2 months ago

Why rapid COVID tests aren't more accurate and how scientists hope to improve them

NPR  

Why rapid COVID tests aren't more accurate and how scientists hope to improve them Enlarge this image toggle caption Joseph Prezioso/AFP via Getty Images Joseph Prezioso/AFP via Getty Images How much should you trust the results of a rapid antigen test? Sponsor Message That finding prompted the Food and Drug Administration to update its online guidance in late December to …

Covid negative despite symptoms, being close to infected person? Here's why
3 years, 2 months ago

Covid negative despite symptoms, being close to infected person? Here's why

India Today  

Several people test negative for Covid-19 even after showing symptoms or when their family members have tested positive. Therefore, on the first day of symptoms, the test might show a negative result," said Dr Rajeev Jayadevan, clinical researcher advising the Covid task force, IMA Kochi, Kerala. Six days after the onset of symptoms is considered the optimal timing, but many …

Queensland will have 'glut' of COVID-19 rapid antigen tests within weeks, Pharmacy Guild says
3 years, 2 months ago

Queensland will have 'glut' of COVID-19 rapid antigen tests within weeks, Pharmacy Guild says

ABC  

Australians trying to get their hands on hard-to-find COVID-19 rapid antigen tests may not need to wait much longer, with retail chains flagging a large supply is due to arrive in Queensland in the coming weeks. Key points: Pressure on the supply of rapid antigen tests is expected to ease from next week The Pharmacy Guild says RATs will be …

Australian-made RATs await TGA approval amid rapid antigen test shortage
3 years, 2 months ago

Australian-made RATs await TGA approval amid rapid antigen test shortage

ABC  

As Australians struggle to get hold of a COVID-19 rapid antigen test, several Australian companies have been waiting months for local approval of their RATs. Key points: At least two Australian companies have applications pending with the TGA for rapid antigen tests Both tests are currently in use in overseas markets Brisbane-based AnteoTech is hoping to produce at least a …

Rapid antigen testing regime change kicks in across South Australia. Here's how it will work
3 years, 2 months ago

Rapid antigen testing regime change kicks in across South Australia. Here's how it will work

ABC  

South Australia's new rapid antigen test regime kicks in today, with new requirements for those making use of them. "It will be a requirement to report a positive case, whether that's on a privately acquired rapid antigen test or whether it's one of the free kits provided by SA Health," Mr Marshall said. " "There are always ways people can …

RATs in short supply: Rapid antigen test shortage shows little sign of ending soon
3 years, 2 months ago

RATs in short supply: Rapid antigen test shortage shows little sign of ending soon

ABC  

Australians are desperately searching for rapid antigen tests, but retail supplies remain limited and are unlikely to improve significantly for several weeks. Key points: Suppliers are bringing in millions of rapid antigen tests a week, but say deman still outstrips supply A major increase in supplies is not expected for weeks, possibly not until mid-February In some states and territories, …

Victoria records 51,356 COVID-19 cases and nine deaths
3 years, 2 months ago

Victoria records 51,356 COVID-19 cases and nine deaths

ABC  

Victoria has reported 51,356 new COVID-19 cases, as health authorities begin counting positive rapid antigen test results in daily case numbers. Key points: The case tally includes rapid antigen test results from the past week Hospitalisations have jumped to 731 Health Minister Martin Foley says cases may be double-reported by accident in the coming days Of the new cases, 26,428 …

Queensland COVID-19 testing data getting 'weaker every day', will impact hospital services
3 years, 2 months ago

Queensland COVID-19 testing data getting 'weaker every day', will impact hospital services

ABC  

Chaos surrounding Queensland's COVID-19 testing systems has an expert worried that data on infection rates during the Omicron wave is so grossly under-reported it is almost impossible to make predictions about the future impacts on hospitals. Key points: Queensland still has no process to allow residents to record their rapid antigen test results Experts fear the quality of data being …

Queenslanders wanting COVID-19 test to 'do the right thing' or return to work left frustrated and confused
3 years, 2 months ago

Queenslanders wanting COVID-19 test to 'do the right thing' or return to work left frustrated and confused

ABC  

Queensland's COVID-19 testing clinics are so overwhelmed, many people are being turned away without getting swabbed, while others are going to extreme lengths to get tested to protect family members, satisfy work and childcare requirements, or to have elective surgery. Key points: You should get a rapid antigen test if you need to leave home quarantine or have been around …

Victorian COVID-19 rules tighten with density limits and mandatory rapid test reporting
3 years, 2 months ago

Victorian COVID-19 rules tighten with density limits and mandatory rapid test reporting

ABC  

Density limits will be reintroduced in Victoria from 11:59pm and it will become mandatory to report positive rapid antigen test results to the health department, in response to the state's surging Omicron outbreak. Key points: From Friday, Victorians must register their positive at-home RAT results on a government portal Health Minister Martin Foley said about one in 50 Victorians currently …

Developer makes 'find a RAT' website as thousands seek out rapid antigen tests amid extreme demand and low availability
3 years, 2 months ago

Developer makes 'find a RAT' website as thousands seek out rapid antigen tests amid extreme demand and low availability

ABC  

As new COVID-19 cases rise across Australia, and so too has the demand for rapid antigen testing kits. Key points: A Melbourne software developer created a website to help people find rapid antigen test kits Food delivery apps have also started to sell tests, although some of them at high prices The government says demand for the tests had exceeded …

Rapid Covid tests not as accurate with Omicron: US regulator
3 years, 3 months ago

Rapid Covid tests not as accurate with Omicron: US regulator

Raw Story  

Rapid Covid home tests are more likely to give a false negative with the heavily-mutated Omicron variant compared to earlier strains, the US Food and Drug Administration said Tuesday. In a statement, the FDA said it was collaborating with the National Institutes of Health to study the performance of home tests, also known as "antigen" tests, against patient samples containing …

Queensland records 1,589 new COVID-19 cases, dumps controversial PCR test rule for interstate travellers from January 1
3 years, 3 months ago

Queensland records 1,589 new COVID-19 cases, dumps controversial PCR test rule for interstate travellers from January 1

ABC  

Interstate travellers entering Queensland will no longer have to return a negative PCR test before arrival, with rapid antigen tests to be accepted instead from January 1. Key points: The announcement comes one day after the removal of the five-day test requirement Chief Health Officer says travellers can take a rapid antigen test 72 hours before arriving in Queensland Other …

Victoria records 2,738 COVID cases, four deaths and 361 hospitalisations
3 years, 3 months ago

Victoria records 2,738 COVID cases, four deaths and 361 hospitalisations

ABC  

Victoria reported four COVID-19 deaths and 2,738 new cases on Tuesday, in the state's highest single-day case tally since the pandemic began. Key points: Hospitalisations have remained fairly steady over the past week, despite case numbers rising Some health experts are pushing for greater use of rapid antigen tests as delays mount for PCR testing People getting tested for interstate …

Frustration and heartbreak as COVID-19 testing delays force some to spend holidays alone
3 years, 3 months ago

Frustration and heartbreak as COVID-19 testing delays force some to spend holidays alone

ABC  

Kate Perry spent Christmas in isolation and in tears, waiting for a COVID-19 test result she had expected to receive days earlier. But Victoria's COVID-19 commander Jeroen Weimar said one pathology provider that had laboratories interstate was taking "a little bit longer" to get test results turned around. Mr Weimar said the increased testing load from interstate travellers was "jamming …

Victoria records 1,999 COVID cases and three deaths as PCR and rapid testing messages shift
3 years, 3 months ago

Victoria records 1,999 COVID cases and three deaths as PCR and rapid testing messages shift

ABC  

Victoria's health department has moved to clarify "unclear" texts sent to COVID-19 contacts about testing, amid continued strain on the system. Key points: Health authorities told some people to get a rapid test if they were asymptomatic or struggling to access PCR testing The department later told those contacts they still needed a PCR test The number of people in …

Can I get my COVID-19 booster sooner? How can I have a COVID-19 safe Christmas? Here are some of your common questions answered
3 years, 3 months ago

Can I get my COVID-19 booster sooner? How can I have a COVID-19 safe Christmas? Here are some of your common questions answered

ABC  

Every month the ABC receives thousands of questions about COVID-19 from our readers, and this month has been no exception with changes to interstate borders, rising case numbers, and the Christmas season approaching. COVID-19 PCR tests involve swabs being put up your nose and down your throat – and they're what most governments will need if you plan to travel …

Rapid antigen test ban overturned in South Australia amid surge in COVID case numbers
3 years, 3 months ago

Rapid antigen test ban overturned in South Australia amid surge in COVID case numbers

ABC  

Rapid antigen testing has finally been introduced among the South Australian public, as health authorities work to combat an eruption of COVID-19 cases and community transmission of the virus. Key points: Rapid antigen tests are going on sale at supermarkets and pharmacies across SA The move comes after SA recorded almost 500 daily cases on Thursday Huge demand is expected, …

South Australia records 484 new cases of COVID-19, with seven people in hospital
3 years, 3 months ago

South Australia records 484 new cases of COVID-19, with seven people in hospital

ABC  

South Australia has recorded 484 new cases of COVID-19, with seven hospitalisations. "We've got millions of rapid antigen test kits here in South Australia ready for the rollout, he said. Mr Marshall said rapid antigen tests were not an alternative to the standard PCR tests. Mr Marshall said rapid antigen tests could be used for people without symptoms who want …

When is it OK to take a rapid antigen test for COVID rather than lining up for a PCR swab?
3 years, 3 months ago

When is it OK to take a rapid antigen test for COVID rather than lining up for a PCR swab?

ABC  

With Christmas nearly here and COVID-19 case numbers rising, it's important to keep getting tested when you have symptoms, have been exposed to the virus, or are going to a high-risk environment. Because the test can amplify tiny amounts of viral genetic material, it's considered the gold standard and can detect infection in earlier stages than other tests like rapid …

Demand for rapid at-home COVID-19 tests is so high, pharmacies are rationing
3 years, 3 months ago

Demand for rapid at-home COVID-19 tests is so high, pharmacies are rationing

LA Times  

One highly sought-after item to prepare for safer holiday gatherings is frustratingly hard to find — at-home rapid COVID-19 tests. Sax said he wouldn’t visit his parents if he had any signs of a respiratory illness, such as a scratchy throat, even if the rapid test results showed a negative result. “I would not go visit grandma with a respiratory …

Rapid antigen tests for COVID are being used at Christmas lunches across Australia. Should they be free?
3 years, 3 months ago

Rapid antigen tests for COVID are being used at Christmas lunches across Australia. Should they be free?

ABC  

As COVID-19 cases rise across Australia, health authorities have made it clear they expect the Omicron variant to overtake Delta. But unlike the many millions of PCR tests that people have been able to access free in Australia throughout the pandemic, rapid antigen tests cost upwards of $10 each. As cases of COVID have increased with the loosening of restrictions, …

7 Rapid At-Home Covid-19 Tests—and Where to Find Them
3 years, 3 months ago

7 Rapid At-Home Covid-19 Tests—and Where to Find Them

Wired  

If you test negative: Experiencing Covid-19 symptoms but got a negative test result? Rapid At-Home Covid-19 Tests We Like Abbott BinaxNow Antigen Rapid Self-Test Kit Photograph: Abbott Abbot’s BinaxNow kit provides results within 15 minutes of swabbing your nose and inserting the sample into the included test card. Intrivo Diagnostics On/Go Antigen Test Photograph: Intrivo Diagnostics On/Go’s at-home kit comes …

Rapid antigen tests are ‘not perfect’ but they could help protect those vulnerable to COVID, like baby Austin
3 years, 4 months ago

Rapid antigen tests are ‘not perfect’ but they could help protect those vulnerable to COVID, like baby Austin

ABC  

For baby Austin, catching COVID would be dire. Ms Messemaker said they were seeking advice from Austin's specialists about how they should use rapid antigen tests, but she said the cost would also factor in. Dr Anderson said if people were planning to use rapid antigen tests, using them regularly like the Krins family would be most effective. Focus should …

Where can you buy a rapid antigen test in Australia and who can use them to check for COVID-19?
3 years, 5 months ago

Where can you buy a rapid antigen test in Australia and who can use them to check for COVID-19?

ABC  

Some Australians will be able test themselves for COVID-19 at home from today as rapid antigen tests are allowed on store shelves. Rapid antigen tests return a result within 20 to 30 minutes, depending on the test, which make them more appealing than getting a PCR test where you have to isolate for up to 72 hours. Australians will be …

COVID-19 rapid antigen tests to be available in Coles, Woolworths from November
3 years, 5 months ago

COVID-19 rapid antigen tests to be available in Coles, Woolworths from November

ABC  

Supermarket giants Coles and Woolworths will start stocking rapid antigen COVID-19 tests from early November. "Rapid antigen testing is helping protect our distribution centre team members across Australia from COVID-19," a Woolworths spokesperson said. TGA head John Skerritt said there would be no constraints on where rapid antigen tests could be sold, including online and at petrol stations. Home tests …

How and when to use rapid COVID tests.
55 years, 3 months ago

How and when to use rapid COVID tests.

Slate  

A version of this article first appeared in Emily Oster’s newsletter, ParentData. The rapid tests are highly accurate during an individual’s most infectious state, which is typically when your body starts showing symptoms, so in this case you’re likely to find out if it is COVID. My 15-month-old stayed home from day care for three days with a runny nose, …

Where Can I Buy At-Home Rapid COVID Tests, And When Should I Use One?
3 years, 6 months ago

Where Can I Buy At-Home Rapid COVID Tests, And When Should I Use One?

Huff Post  

Hache via Getty Images Many people are turning to at-home rapid tests to check if they have a breakthrough or regular case of COVID-19. A large meta-analysis from March 2021 found that rapid antigen tests detected about 72% of symptomatic cases confirmed positive by a PCR test. “These rapid antigen tests, particularly the popular ones, are not good at detecting …

COVID-19 rapid antigen home testing to be available from November
3 years, 6 months ago

COVID-19 rapid antigen home testing to be available from November

ABC  

Australians will be able to test themselves for COVID-19 at home from November, once the national medical regulator approves the testing measure. Key points: Rapid COVID-19 antigen tests will be available for home use from November Dozens of testing kits are already approved for use, but currently require the supervision of a health professional States and territories will decide how …

How do you effectively use over-the-counter rapid antigen tests that can help slow the spread of COVID-19?
3 years, 6 months ago

How do you effectively use over-the-counter rapid antigen tests that can help slow the spread of COVID-19?

Firstpost  

A viral load that is too low to be detected by rapid antigen tests is almost surely too low to be transmissible. On Sept. 9, 2021, the White House announced several initiatives to improve access to rapid antigen tests: It will use the Defense Production Act to boost the production of tests, require retailers to sell rapid tests at cost, …

Rapid antigen testing could play crucial role in forging path out of Canberra's COVID-19 lockdown
3 years, 6 months ago

Rapid antigen testing could play crucial role in forging path out of Canberra's COVID-19 lockdown

ABC  

Even as the ACT inches closer to vaccination targets of 80 or 90 per cent, there will still be a major barrier to ending lockdowns. Yesterday ACT Chief Minister Andrew Barr indicated that rapid antigen testing could be one of the tools in the territory's arsenal to stop the spread of the virus in the community. "With the new school …

What is a rapid antigen test? How is it different from other COVID-19 tests?
3 years, 8 months ago

What is a rapid antigen test? How is it different from other COVID-19 tests?

ABC  

When Year 12 students in Greater Sydney get back to the classroom, they'll likely be doing it with the help of rapid antigen testing to monitor for COVID-19. Rapid antigen tests are a method for detecting COVID-19 that work by reacting to proteins on the surface of the virus called antigens. But while rapid antigen tests are becoming increasingly common …

COVID-19 vaccines, rapid tests to get NSW's Year 12s back in classroom
3 years, 8 months ago

COVID-19 vaccines, rapid tests to get NSW's Year 12s back in classroom

ABC  

Year 12s in Sydney's COVID-19 hotspots will be offered the Pfizer vaccine, and rapid testing will be rolled out in schools in a bid to salvage this year's HSC exams. Vaccinations for Year 12 students Big changes for shopping and schools as NSW records 177 new COVID-19 cases Photo shows A medical worker carries out coronavirus testing. "I don't think …

Rapid COVID-19 antigen tests should be used for frontline workers, politicians and experts argue
3 years, 8 months ago

Rapid COVID-19 antigen tests should be used for frontline workers, politicians and experts argue

ABC  

Rapid COVID-19 tests should be the next tool used in the fight against coronavirus, according to health experts and politicians — including some within the Coalition's own ranks — who argue the tests could help open borders and protect frontline health workers. Key points: Federal Liberal and Labor MPs are among those calling for rapid COVID-19 tests to be introduced …

COVID-19 home test kit approved; symptomatic people testing negative should go for RT-PCR, says ICMR
3 years, 10 months ago

COVID-19 home test kit approved; symptomatic people testing negative should go for RT-PCR, says ICMR

Firstpost  

The ICMR said the RAT kits should be used only on symptomatic individuals and on immediate contacts of laboratory-confirmed positive cases New Delhi: The Indian Council of Medical Research on Wednesday approved a home-based rapid antigen testing kit for COVID-19, which it advised should be used only on symptomatic individuals and on immediate contacts of laboratory-confirmed positive cases. The country’s …

Covid-19 Home Testing using Rapid Antigen Tests (RATs): All you need to know
3 years, 10 months ago

Covid-19 Home Testing using Rapid Antigen Tests (RATs): All you need to know

India Today  

With the rapid increase of Covid-19 testing across the country, the Indian Council of Medical Research has come up with an advisory for Covid-19 home testing using Rapid Antigen Tests. All test positive individuals are advised to follow home isolation and care as per the ICMR & Ministry of Health & Family Welfare protocol which can be accessed at: https://www.icmr.gov.in/chomecare.html. …

ICMR approves Covid home testing kit using rapid antigen testing; advises against indiscriminate use
3 years, 10 months ago

ICMR approves Covid home testing kit using rapid antigen testing; advises against indiscriminate use

India TV News  

The Indian Council of Medical Research on Wednesday released an advisory for COVID-19 home testing using Rapid Antigen Tests. According to the medical body, home testing by RAT should be conducted only in symptomatic individuals and immediate contacts of laboratory confirmed positive cases. It is developed by Pune-based Mylab Discovery Solutions Ltd. ICMR ADVISORY Home testing by RAT is advised …

Rapid Antigen Test Complements RT-PCR, Highly Useful in Surveillance & Containment Activities: Govt
3 years, 10 months ago

Rapid Antigen Test Complements RT-PCR, Highly Useful in Surveillance & Containment Activities: Govt

News 18  

The Rapid Antigen Test complements the RT-PCR test and is highly useful in COVID surveillance and containment activities, the government said on Wednesday. It complements RT-PCR and conversely, RT-PCR can complement Rapid Antigen Test, wherever available. “RAT is highly useful in surveillance and containment activities, in screening people where this is a likelihood of transmission. This is a tool available …

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