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Delta variant 40-60% more transmissible than Alpha variant: Govt panel chief N.K. Arora

Delta Plus Covid variant, Delta Covid-19 variant, Coronavirus, COVID 19, Novel Coronavirus, Fight Against Corona, Covaxin, Covishield, Covid-19 Vaccine, Oxygen, Oxygen Cylinders, SARS-CoV-2, Sputnik V, Oxygen Plants, Pfizer, Astra Zeneca, Oxygen Concentrator, Remdesivir, Covifor, Oxygen supply, Liquid Medical Oxygen, Oximeter

Web Admin

Web Admin

5 Dariya News

New Delhi , 19 Jul 2021

Delta variant of Covid-19 virus is around 40-60 per cent more transmissible than its predecessor Alpha variant and has already spread to more than 80 countries, including the UK, the US, Singapore, and so on, said N.K. Arora, co-chair, Indian SARS-CoV-2 Genomics Consortium (INSACOG).Arora, the chief of the Covid-19 working group of the National Technical Advisory Group on Immunization (NTAGI), also said that Delta variant has mutations in its spike protein, which helps it bind to the ACE2 receptors present on the surface of the cells more firmly, making it more transmissible and capable of evading the body's immunity.Citing some studies that show that there are some mutations in this variant that promote "syncytium formation", Arora said, "Besides, on invading a human cell, it replicates faster. It leads to a strong inflammatory response in organs like the lungs. However, it is difficult to say that disease due to delta variant is more severe. The age profile and the deaths during the second wave in India were quite similar to that seen during the first wave."Delta variant was first identified in October 2020 in India, and was primarily responsible for the second wave in the country and today accounting for over 80 per cent of new Covid-19 cases. It emerged in Maharashtra and travelled northwards along the western states of the country before entering the central and the eastern states.While elaborating about the Standard Operating Procedure (SOP) for testing and follow-up on variants, what makes the Delta variant so transmissible, Arora said there is a need to keep a strict vigil on the emergence of variants of concern and outbreaks so that they can be contained before they spread to a larger region."The Delta Plus variant -- AY.1 and AY.2 -- has so far been detected in 55-60 cases across 11 states, including Maharashtra, Tamil Nadu, and Madhya Pradesh. 

AY.1 is also found in countries like Nepal, Portugal, Switzerland, Poland, Japan but AY.2 is less prevalent. The variant is still being studied for its transmissibility, virulence, and vaccines escape characteristics," said a Ministry of Health and Family Welfare (MoHFW) statement quoting Arora.Asked if the vaccines are effective against the Delta variant, Arora said, "Yes, current vaccines are effective against Delta Variant as per the studies undertaken by ICMR on the issue."Though there is a significant dip in the number of cases in most parts of the country, the INSACOG co-chair said, some regions are witnessing a high-Test Positivity Rate (TPR) particularly in the Northeastern parts of the country and several districts in the southern states, most of these cases could be due to the Delta variant.INSACOG is a consortium of 28 laboratories of MoHFW, Department of Biotechnology, Indian Council of Medical Research (ICMR) and Council of Scientific and Industrial Research (CSIR) for whole genome sequencing in the context of Covid-19 pandemic. INSACOG was established by MoHFW on December 25 last year.Replying about the prevention from future waves of Covid-19, Arora said that a virus begins infecting a part of the population, which is most susceptible and also exposed to the infection."It diminishes after it successfully infects a large proportion of the population and strikes back when the immunity developed in the people post-natural infection fades. The cases may go up if a new, more infectious variant comes. In other words, the next wave will be driven by a virus variant to which a significant proportion of the population is susceptible."The second wave is still going on. Any future waves will be controlled and delayed if more and more people get vaccinated and most importantly, people follow Covid-Appropriate Behaviour effectively, especially till a substantial part of our population gets vaccinated. People need to focus on vaccination and adherence to Covid Appropriate Behaviour to manage Covid-19," he added.

 

Tags: Delta Plus Covid variant , Delta Covid-19 variant , Coronavirus , COVID 19 , Novel Coronavirus , Fight Against Corona , Covaxin , Covishield , Covid-19 Vaccine , Oxygen , Oxygen Cylinders , SARS-CoV-2 , Sputnik V , Oxygen Plants , Pfizer , Astra Zeneca , Oxygen Concentrator , Remdesivir , Covifor , Oxygen supply , Liquid Medical Oxygen , Oximeter

 

 

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