Mutations

Can vaccines stop the more contagious coronavirus variants spreading in the US?

Sat, 2021-03-20 12:21 — mike kraft

A more contagious coronavirus variant is spreading across the US. Can vaccines stop it? A new, more contagious and potentially more deadly Covid-19 variant called B.1.1.7 is spreading across the US. But the currently authorized vaccines should be able to stop it. Maggie Fox, CNN CNN

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ANALYSIS: Five reasons why COVID herd immunity is probably impossible

Fri, 2021-03-19 20:40 — mike kraft

https://www.nature.com/articles/d41586-021-00728-2

As COVID-19 vaccination rates pick up around the world, people have reasonably begun to ask: how much longer will this pandemic last? It’s an issue surrounded with uncertainties. But the once-popular idea that enough people will eventually gain immunity to SARS-CoV-2 to block most transmission — a ‘herd-immunity threshold’ — is starting to look unlikely.

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ANALYSIS: Post-immunization casesare very rare and but also very expected.

Fri, 2021-03-19 20:24 — mike kraft

Don’t Be Surprised When Vaccinated People Get Infected Post-immunization cases, sometimes called “breakthroughs,” are very rare and very expected. Katherine J. Wu The Atlantic

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Regular booster vaccines are the future to counter COVID-19 virus -- expert says

Mon, 2021-03-15 10:34 — mike kraft

Exclusive: Regular booster vaccines are the future in battle with COVID-19 virus, top genome expert says Regular booster vaccines against the novel coronavirus will be needed because of mutations that make it more transmissible and better able to evade human immunity, the head of Britain's effort to sequence the virus's genomes told Reuters. Guy Faulconbridge U.S.

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NIH Director urges people to keep masks on despite Texas and other states relaxing requirementsrelaxing

Sat, 2021-03-13 18:09 — mike kraft

Keep masks on, NIH director pleads as Texas enters 1st weekend without statewide Covid-19 restrictions As spring break travel picks up and states increasingly drop Covid-19 restrictions, Dr. Francis Collins, the National Institutes of Health director, is pleading with people to keep using masks regardless of prevailing rules. Jason Hanna and Madeline Holcombe, CNN CNN

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UK COVID-19 variant has significantly higher death rate--new study

Wed, 2021-03-10 08:38 — mike kraft

UK COVID-19 variant has significantly higher death rate, study finds A highly infectious variant of COVID-19 that has spread around the world since it was first discovered in Britain late last year is between 30% and 100% more deadly than previous dominant variants, researchers said on Wednesday. Kate Kelland U.S.

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Variant’s Spread in Florida endangers U.S. Covid Recovery

Tue, 2021-03-09 09:13 — mike kraft

Variant’s Spread in Florida Shows Threat to U.S. Covid Recovery A highly infectious Covid-19 variant is circulating widely in Florida, prompting concern that a resurgence of the virus is possible in the state and beyond, even as cases and hospitalizations drop dramatically. Jonathan Levin Bloomberg.com

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Scientists still trying to track and evaluate the numerous coronavirus varians found in the US

Mon, 2021-03-08 18:18 — mike kraft

Multitude of coronavirus variants found in the US — but the threat is unclear Ramped-up sequencing efforts are helping to identify mutations that might boost transmission or help a virus evade immune responses. Ewen Callaway nature

For the scientists who have spent the past year poring over hundreds of thousands of coronavirus genomes, the United States has been an enigma. Despite having world-leading genome sequencing infrastructure and experiencing more COVID infections than any other country, the United States has until recently lagged far behind in sequencing coronavirus genomes and spotting worrisome variants.

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