<p>With an uptick in Covid-19 cases across the country, the national capital has seen the greatest surge in the number of cases over the past few weeks.</p>.<p>On Tuesday, Delhi reported 1,204 new cases and one fatality accounting for almost 50 per cent of the pan-India cases.</p>.<p><strong>What is causing the recent rise in Covid cases in Delhi?</strong></p>.<p>As per a <a href="https://economictimes.indiatimes.com/news/india/lowering-guard-new-sub-variants-could-be-behind-delhi-surge/articleshow/91109685.cms" target="_blank">report</a> by<em> the Economic Times</em>, experts have attributed the surge to the possible circulation of Omicron sub-variants, population density, international travel and non-adherence to Covid-appropriate behaviour.</p>.<p>The situation has not been called alarming, since the positivity rate has been below 5 per cent. With Delhi reporting 1,204 cases, and total tests conducted were 25,963, the current test positivity rate stands at 4.64 per cent.</p>.<p><strong>Also Read | <a href="https://www.deccanherald.com/national/north-and-central/delhis-r-value-21-this-week-every-covid-infected-person-infecting-two-others-iit-madras-analysis-1103199.html" target="_blank">Delhi's R-value 2.1 this week, every Covid infected person infecting two others: IIT-Madras analysis</a></strong></p>.<p>The pandemic is said to be under control till the test positivity rate does not cross 5 per cent.</p>.<p>Currently, there are 3,304 active cases in Delhi, of which 114 are hospitalised. Of those, four are on ventilators and 39 are on oxygen support.</p>.<p>"At this moment, it's not alarming but we have to be watchful," said K Srinath Reddy, president of Public Health Foundation of India told the publication.</p>.<p>"When the previous virus is still around and new forms of variant are emerging and entering in a situation where people have discarded Covid-appropriate behaviour, the virus easily can get a chance for transmission," he said. "Delhi has a high crowd density and is a high mobility city, which is another reason for the numbers to go up."</p>.<p>In India, the surge in cases has been attributed to two dominant sub-variants of Omicron - BA.1 and BA.2. Experts, speaking to the publication, have said sub-lineage BA.2 and sub-lineage BA.2.12.1 are responsible for the surge in the capital.</p>.<p>Calling it difficult to pinpoint one cause of the surge in Delhi, Shahid Jameel, a leading virologist in the country, pointed to a myriad of reasons such as “more RT-PCR testing, densely populated so more chances of transmission, connectivity - both national and international making inflow of virus better, and more aggressive daredevil attitude."</p>.<p><strong>Check out DH's latest videos:</strong></p>
<p>With an uptick in Covid-19 cases across the country, the national capital has seen the greatest surge in the number of cases over the past few weeks.</p>.<p>On Tuesday, Delhi reported 1,204 new cases and one fatality accounting for almost 50 per cent of the pan-India cases.</p>.<p><strong>What is causing the recent rise in Covid cases in Delhi?</strong></p>.<p>As per a <a href="https://economictimes.indiatimes.com/news/india/lowering-guard-new-sub-variants-could-be-behind-delhi-surge/articleshow/91109685.cms" target="_blank">report</a> by<em> the Economic Times</em>, experts have attributed the surge to the possible circulation of Omicron sub-variants, population density, international travel and non-adherence to Covid-appropriate behaviour.</p>.<p>The situation has not been called alarming, since the positivity rate has been below 5 per cent. With Delhi reporting 1,204 cases, and total tests conducted were 25,963, the current test positivity rate stands at 4.64 per cent.</p>.<p><strong>Also Read | <a href="https://www.deccanherald.com/national/north-and-central/delhis-r-value-21-this-week-every-covid-infected-person-infecting-two-others-iit-madras-analysis-1103199.html" target="_blank">Delhi's R-value 2.1 this week, every Covid infected person infecting two others: IIT-Madras analysis</a></strong></p>.<p>The pandemic is said to be under control till the test positivity rate does not cross 5 per cent.</p>.<p>Currently, there are 3,304 active cases in Delhi, of which 114 are hospitalised. Of those, four are on ventilators and 39 are on oxygen support.</p>.<p>"At this moment, it's not alarming but we have to be watchful," said K Srinath Reddy, president of Public Health Foundation of India told the publication.</p>.<p>"When the previous virus is still around and new forms of variant are emerging and entering in a situation where people have discarded Covid-appropriate behaviour, the virus easily can get a chance for transmission," he said. "Delhi has a high crowd density and is a high mobility city, which is another reason for the numbers to go up."</p>.<p>In India, the surge in cases has been attributed to two dominant sub-variants of Omicron - BA.1 and BA.2. Experts, speaking to the publication, have said sub-lineage BA.2 and sub-lineage BA.2.12.1 are responsible for the surge in the capital.</p>.<p>Calling it difficult to pinpoint one cause of the surge in Delhi, Shahid Jameel, a leading virologist in the country, pointed to a myriad of reasons such as “more RT-PCR testing, densely populated so more chances of transmission, connectivity - both national and international making inflow of virus better, and more aggressive daredevil attitude."</p>.<p><strong>Check out DH's latest videos:</strong></p>