Deprecated (16384): The ArrayAccess methods will be removed in 4.0.0.Use getParam(), getData() and getQuery() instead. - /home/brlfuser/public_html/src/Controller/ArtileDetailController.php, line: 150
 You can disable deprecation warnings by setting `Error.errorLevel` to `E_ALL & ~E_USER_DEPRECATED` in your config/app.php. [CORE/src/Core/functions.php, line 311]
Code Context


        trigger_error($message, E_USER_DEPRECATED);

    }
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 You can disable deprecation warnings by setting `Error.errorLevel` to `E_ALL & ~E_USER_DEPRECATED` in your config/app.php.'
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deprecationWarning - CORE/src/Core/functions.php, line 311
Cake\Http\ServerRequest::offsetGet() - CORE/src/Http/ServerRequest.php, line 2421
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Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
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Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Http\Runner::run() - CORE/src/Http/Runner.php, line 51
Cake\Http\Server::run() - CORE/src/Http/Server.php, line 98

Deprecated (16384): The ArrayAccess methods will be removed in 4.0.0.Use getParam(), getData() and getQuery() instead. - /home/brlfuser/public_html/src/Controller/ArtileDetailController.php, line: 151
 You can disable deprecation warnings by setting `Error.errorLevel` to `E_ALL & ~E_USER_DEPRECATED` in your config/app.php. [CORE/src/Core/functions.php, line 311]
Code Context


        trigger_error($message, E_USER_DEPRECATED);

    }
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 You can disable deprecation warnings by setting `Error.errorLevel` to `E_ALL & ~E_USER_DEPRECATED` in your config/app.php.'
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deprecationWarning - CORE/src/Core/functions.php, line 311
Cake\Http\ServerRequest::offsetGet() - CORE/src/Http/ServerRequest.php, line 2421
App\Controller\ArtileDetailController::index() - APP/Controller/ArtileDetailController.php, line 151
Cake\Controller\Controller::invokeAction() - CORE/src/Controller/Controller.php, line 610
Cake\Http\ActionDispatcher::_invoke() - CORE/src/Http/ActionDispatcher.php, line 120
Cake\Http\ActionDispatcher::dispatch() - CORE/src/Http/ActionDispatcher.php, line 94
Cake\Http\BaseApplication::__invoke() - CORE/src/Http/BaseApplication.php, line 235
Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Routing\Middleware\RoutingMiddleware::__invoke() - CORE/src/Routing/Middleware/RoutingMiddleware.php, line 162
Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Routing\Middleware\AssetMiddleware::__invoke() - CORE/src/Routing/Middleware/AssetMiddleware.php, line 97
Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Error\Middleware\ErrorHandlerMiddleware::__invoke() - CORE/src/Error/Middleware/ErrorHandlerMiddleware.php, line 96
Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Http\Runner::run() - CORE/src/Http/Runner.php, line 51
Cake\Http\Server::run() - CORE/src/Http/Server.php, line 98

Warning (512): Unable to emit headers. Headers sent in file=/home/brlfuser/public_html/vendor/cakephp/cakephp/src/Error/Debugger.php line=853 [CORE/src/Http/ResponseEmitter.php, line 48]
Code Context
            if (Configure::read('debug')) {

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Low level of RT-PCR re-testing in persons who are testing antigen negative will underestimate cases, says COVID-19 task force member

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Low level of RT-PCR re-testing in persons who are testing antigen negative will underestimate cases, says COVID-19 task force member

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                            <p style="text-align:justify">-The Hindu</p><p style="text-align:justify"><em>Low level of RT-PCR re-testing in persons who are testing antigen negative will underestimate cases, says COVID-19 task force member</em></p><p style="text-align:justify">Only 1 in 200 of those who tested negative in an antigen test in Delhi to detect possible coronavirus cases were re-tested, a fraction that epidemiologists say is too low given what is known about the disease. From June 25, daily cases appear to have peaked at 3,390 and steadily declined to 1,790 as of 15 July.</p><p style="text-align:justify">Delhi formally began using antigen testing kits on June 18 and has accelerated their use since July. While these tests dominate daily testing, using them widely without following up with adequate retests contradicts Indian Council of Medical Research (ICMR) guidelines on use of the test, experts told The Hindu.</p><p style="text-align:justify">From June 18- July 16, Delhi has conducted 305,820 Rapid Antigen Detection Tests (RADT) &mdash; a quicker complement to the standard RT-PCR (reverse transcription polymerase chain reaction) test that while most accurate takes as many as 24-48 hours to deliver a verdict &mdash; to check for the COVID-19 virus. Of these, 285,225 tests came &lsquo;negative&rsquo;. Of them, 1,670 (or about 0.5%) were chosen for re-test by RT-PCR and 262 of these were confirmed positive, according to the most updated figures as on July 16 confirmed by The Hindu.</p><p style="text-align:justify">Please <a href="https://www.thehindu.com/news/cities/Delhi/fewer-covid-19-re-tests-mar-delhis-testing-strategy/article32115082.ece?fbclid=IwAR0rKOACNitApGKjrZKOKP9uej4EPEqsmP4Dxy4C14togJwlgwaSZ0SSotQ" title="https://www.thehindu.com/news/cities/Delhi/fewer-covid-19-re-tests-mar-delhis-testing-strategy/article32115082.ece?fbclid=IwAR0rKOACNitApGKjrZKOKP9uej4EPEqsmP4Dxy4C14togJwlgwaSZ0SSotQ">click here</a> to read more.</p><p style="text-align:justify">&nbsp;</p>                                                           
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                            <p style="text-align:justify">-The Hindu</p><p style="text-align:justify"><em>Low level of RT-PCR re-testing in persons who are testing antigen negative will underestimate cases, says COVID-19 task force member</em></p><p style="text-align:justify">Only 1 in 200 of those who tested negative in an antigen test in Delhi to detect possible coronavirus cases were re-tested, a fraction that epidemiologists say is too low given what is known about the disease. From June 25, daily cases appear to have peaked at 3,390 and steadily declined to 1,790 as of 15 July.</p><p style="text-align:justify">Delhi formally began using antigen testing kits on June 18 and has accelerated their use since July. While these tests dominate daily testing, using them widely without following up with adequate retests contradicts Indian Council of Medical Research (ICMR) guidelines on use of the test, experts told The Hindu.</p><p style="text-align:justify">From June 18- July 16, Delhi has conducted 305,820 Rapid Antigen Detection Tests (RADT) &mdash; a quicker complement to the standard RT-PCR (reverse transcription polymerase chain reaction) test that while most accurate takes as many as 24-48 hours to deliver a verdict &mdash; to check for the COVID-19 virus. Of these, 285,225 tests came &lsquo;negative&rsquo;. Of them, 1,670 (or about 0.5%) were chosen for re-test by RT-PCR and 262 of these were confirmed positive, according to the most updated figures as on July 16 confirmed by The Hindu.</p><p style="text-align:justify">Please <a href="https://www.thehindu.com/news/cities/Delhi/fewer-covid-19-re-tests-mar-delhis-testing-strategy/article32115082.ece?fbclid=IwAR0rKOACNitApGKjrZKOKP9uej4EPEqsmP4Dxy4C14togJwlgwaSZ0SSotQ" title="https://www.thehindu.com/news/cities/Delhi/fewer-covid-19-re-tests-mar-delhis-testing-strategy/article32115082.ece?fbclid=IwAR0rKOACNitApGKjrZKOKP9uej4EPEqsmP4Dxy4C14togJwlgwaSZ0SSotQ">click here</a> to read more.</p><p style="text-align:justify">&nbsp;</p>                                                           
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                            <p style="text-align:justify">-The Hindu</p><p style="text-align:justify"><em>Low level of RT-PCR re-testing in persons who are testing antigen negative will underestimate cases, says COVID-19 task force member</em></p><p style="text-align:justify">Only 1 in 200 of those who tested negative in an antigen test in Delhi to detect possible coronavirus cases were re-tested, a fraction that epidemiologists say is too low given what is known about the disease. From June 25, daily cases appear to have peaked at 3,390 and steadily declined to 1,790 as of 15 July.</p><p style="text-align:justify">Delhi formally began using antigen testing kits on June 18 and has accelerated their use since July. While these tests dominate daily testing, using them widely without following up with adequate retests contradicts Indian Council of Medical Research (ICMR) guidelines on use of the test, experts told The Hindu.</p><p style="text-align:justify">From June 18- July 16, Delhi has conducted 305,820 Rapid Antigen Detection Tests (RADT) &mdash; a quicker complement to the standard RT-PCR (reverse transcription polymerase chain reaction) test that while most accurate takes as many as 24-48 hours to deliver a verdict &mdash; to check for the COVID-19 virus. Of these, 285,225 tests came &lsquo;negative&rsquo;. Of them, 1,670 (or about 0.5%) were chosen for re-test by RT-PCR and 262 of these were confirmed positive, according to the most updated figures as on July 16 confirmed by The Hindu.</p><p style="text-align:justify">Please <a href="https://www.thehindu.com/news/cities/Delhi/fewer-covid-19-re-tests-mar-delhis-testing-strategy/article32115082.ece?fbclid=IwAR0rKOACNitApGKjrZKOKP9uej4EPEqsmP4Dxy4C14togJwlgwaSZ0SSotQ" title="https://www.thehindu.com/news/cities/Delhi/fewer-covid-19-re-tests-mar-delhis-testing-strategy/article32115082.ece?fbclid=IwAR0rKOACNitApGKjrZKOKP9uej4EPEqsmP4Dxy4C14togJwlgwaSZ0SSotQ">click here</a> to read more.</p><p style="text-align:justify">&nbsp;</p>                                                           
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Home हिन्दी

Fewer COVID-19 re-tests mar Delhi’s testing strategy -Jacob Koshy and Nikhil M Babu

Published on Jul 17, 2020   Modified on Jul 20, 2020

-The Hindu Low level of RT-PCR re-testing in persons who are testing antigen negative will underestimate cases, says COVID-19 task force member Only 1 in 200 of those who tested negative in an antigen test in Delhi to detect possible coronavirus cases were re-tested, a fraction that epidemiologists say is too low given what is known about the disease. From June 25, daily cases appear to have peaked at 3,390 and steadily declined to 1,790 as of 15 July. Delhi formally began using antigen testing kits on June 18 and has accelerated their use since July. While these tests dominate daily testing, using them widely without following up with adequate retests contradicts Indian Council of Medical Research (ICMR) guidelines on use of the test, experts told The Hindu. From June 18- July 16, Delhi has conducted 305,820 Rapid Antigen Detection Tests (RADT) — a quicker complement to the standard RT-PCR (reverse transcription polymerase chain reaction) test that while most accurate takes as many as 24-48 hours to deliver a verdict — to check for the COVID-19 virus. Of these, 285,225 tests came ‘negative’. Of them, 1,670 (or about 0.5%) were chosen for re-test by RT-PCR and 262 of these were confirmed positive, according to the most updated figures as on July 16 confirmed by The Hindu. Please click here to read more.

The Hindu, 17 July, 2020, https://www.thehindu.com/news/cities/Delhi/fewer-covid-19-re-tests-mar-delhis-testing-strategy/article32115082.ece?fbclid=IwAR0rKOACNitApGKjrZKOKP9uej4EPEqsmP4Dxy4C14togJwlgwaSZ0SSotQ

Tagged with: Rapid Antigen Detection Tests RADT Antigen Tests RT-PCR Tests Reverse Transcription Polymerase Chain Reaction Test RT-PCR Test Covid-19 Coronavirus SARS-CoV-2

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