Tag: Mutation
10% of Dutch coronavirus infections last week tied to B117 mutation
Some 38,776 people in the Netherlands tested positive for the SARS-CoV-2 coronavirus for the week ending Tuesday morning, the RIVM said in its weekly analysis. More...
Phylogenetic evidence that SARS-CoV-2 variant B.1.1.7 has been circulating in the United States since November 2020
“It is striking that this [B.1.1.7] lineage may already have been established in the US for some 5-6 weeks before B.1.1.7 was first identified as a variant of concern in the UK in mid-December15. More...
Study of convalescent sera from 44 South Africans infected in first wave, >90% showed reduced immunity & 48% had complete immune escape to 501Y.V2
Study of convalescent sera from 44 South Africans infected in first wave >90% showed reduced immunity and 48% had complete immune esape to 501Y.V2 More...
Covid-19 leaves trail of devastation at South African TVET colleges
A total of 23 staff members from SA’s 50 Technical and Vocational Education and Training (TVET) colleges, and four from community education colleges, died of Covid-related complications between December 15 and January 11. More...
Denmark finds 4 coronavirus cases which only have the E484K mutation in the spike protein
The first case of another covid-19 variant has been found in Denmark. More...
20C-US: Emergence and Evolution of a Prevalent New SARS-CoV-2 Variant in the United States
“we have identified a new variant of the SARS-CoV-2 virus that emerged in the United States (U.S.) More...
Cambridge study: “Dog, cat, and cattle ACE2 receptors were identified as the strongest interactors with the SARS-CoV-2 spike protein”
Researchers investigated whether the SARS-CoV-2 spike protein could bind to the ACE2 receptors from 22 different animals to ascertain which of these, if any, may be susceptible to infection. More...
Natural SARS-CoV-2 infection of ferrets in Spain
“We found SARS-CoV-2 RNA in 6 of 71 ferrets (8.4%) and isolated the virus from one rectal swab. More...
Britain finally closes its borders to coronavirus – 1 year too late
“UK shuts travel corridors and requires negative Covid tests to enter
All foreign arrivals will also have to quarantine in toughening of measures in response to new strains
The UK is to close all access to the country for overseas travellers without proof of a recent negative coronavirus test and 10 days of quarantine, shutting all travel corridors, Boris Johnson has announced. More...
Genomic characterisation of an emergent SARS-CoV-2 lineage in Manaus, Brazil
“We have detected a new variant circulating in December in Manaus, Amazonas state, north Brazil, where very high attack rates have been estimated previously. More...