Category: Vaccine
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...
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...
Circulating SARS-CoV-2 spike N439K variants maintain fitness while evading antibody-mediated immunity
“SARS-CoV-2 can mutate and evade immunity, with consequences for efficacy of emerging vaccines and antibody therapeutics. More...
WHO Recommends against Moderna & Pfizer coronavirus vaccines for most pregnant women
The World Health Organization released new guidance about Moderna Inc.’s More...
Netanyahu: “it’s just a matter of time until we hit a coronavirus strain that the current vaccines are not susceptible to”
This week, [Israeli] authorities approved vaccinating 16-18-year-olds to allow students to take their “Bagrut” matriculation exams on time. More...
SARS-CoV-2 501YV2 escapes neutralization by South African COVID-19 donor plasma
SARS-CoV-2 501Y.V2 escapes neutralization by South African COVID-19 donor plasma
“SARS-CoV-2 501Y.V2, More...