Tag: sars-cov-2
Dangerous new coronavirus strains may incubate in COVID-19 sickest patients
“A Boston patient tested positive for SARS-CoV2 infections four separate times over 22 weeks. More...
Brazilian researchers find patients infected with two different coronavirus strains
Researchers in southern Brazil said they have discovered patients infected with two different strains of the new coronavirus simultaneously, reflecting concerns about the growing number of variants in the country. More...
Fauci: new coronavirus variant has caused reinfection in South Africa
Fauci: “When we were communicating with our many scientific and public health colleagues in South Africa, they were telling us over the phone ‘something strange is going on right now, we have people who were infected several months ago, who now with this new strain are getting reinfected, which is telling you that the immune response induced to the first infection wasn’t good enough to prevent the second infection”
https://edition.cnn.com/world/live-news/coronavirus-pandemic-vaccine-updates-01-30-21/index.html More...
Sars-Cov-2 lab variant bound 600 times more successfully to human cells than the original strain
The naturally selected mutations S477N, E484K, and N501Y of the Spike protein RBD, which show higher infectivity, were selected by yeast surface display affinity maturation already in the first round, giving rise to the South-African, E484K, N501Y, and British variants that bind ACE2 13 and 3.5-fold tighter than RBD-WT. More...
The Virus Changed. Now We Must ‘Get to Zero’ or Face Catastrophe
Don’t think of these variants as the same old COVID-19. More...
The effectiveness of the first dose of BNT162.b2 [Pfizer-Biontech] vaccine in reducing SARS-CoV-2 infection 13-24 days after immunization: real-world evidence
“We demonstrated an effectiveness of 51% of BNT162b2 [Pfizer-Biontech] vaccine against SARS-CoV-2 infection 13-24 days after immunization with the first dose. More...
Students aged 5 to 12 are most often infected with coronavirus in Belgium
We are currently finding in Belgium more and more young people under the age of 19 infected by the coronavirus. More...
Brazil’s Yanomami people – at least 25 more young children displaying Covid-19 symptoms
“at least twenty-five (25) Yanomami children with the same symptoms and in a serious condition.” More...
Novavax vaccine works well except on N501Y.V2 South Africa variant
An early analysis in Britain found that the Novavax vaccine had an efficacy rate of nearly 90 percent. More...