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Double and triple mutants of COVID-19 are same; vaccines effective on it: Scientist
There is apprehension among experts that the new variant could also increase infection rates and easily surpass immune defences.
By PTI| Posted by Nikita Venkatesh | Updated: 23rd April 2021 6:34 pm IST
New Delhi: The double and triple mutant strains detected in India are one and the same variant of the coronavirus, and the available vaccines are effective on it, National Institute of Biomedical Genomics Director Soumitra Das said on Friday.
Speaking at a webinar on ‘Genome Sequencing of SARS-CoV-19’, Das said double mutant and triple mutant terms are “colloquial” and both refer to the same variant B.1.617 variant of the coronavirus.
Double and triple mutants of coronavirus one and the same; vaccines effective on it: Scientist
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Last Updated: Apr 23, 2021, 06:02 PM IST
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Synopsis
These variants harbour 15 lineage defining mutations. B.1.617, initially termed double mutant, has three new spike protein mutations. Two mutations E484Q and L452R are in the area important for antibody-based neutralisation.
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The double and triple mutant strains detected in India are one and the same variant of the coronavirus, and the available vaccines are effective on it, National Institute of Biomedical Genomics Director Soumitra Das said on Friday. Speaking at a webinar on Genome Sequencing of SARS-CoV-19 , Das said double mutant and triple mutant terms are colloquial and both refer to the same variant B.1.617 variant of the coronavirus.
Double mutant COVID-19 variant colonises lungs directly, evades RT-PCR: Experts downtoearth.org.in - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from downtoearth.org.in Daily Mail and Mail on Sunday newspapers.
Two more fliers who arrived from Dubai between February 23 and March 4 were detected with UK strain of the mutated SARS-CoV-2 virus, that causes Covid-19, on Sunday.
The number of people reaching Calcutta with mutant strains of the coronavirus now stands at six, health department officials said.
Earlier four of them had tested positive for the mutant strains of the coronavirus, including one with the South African-strain, and the rest with the UK-strain.
Among the three fliers tested positive for the UK strain one was admitted to Infectious Diseases (ID) Hospital in Beleghata on Saturday. The state government from Monday will start tracing other passengers and crew members of the flights on which these people had travelled. The family members of those who have tested positive have been asked to undergo RT-PCR test for Covid-19.