Tag: covid
7% SARS-CoV-2 reinfection rate: 30 Brazil healthcare workers reinfected, often with worse symptoms than first infection
A professor of immunology at Imperial College London, told Sky News that while there were only 100 proven cases worldwide of reinfection, his conversations with doctors suggested it was “far more common than we’ve imagined”. More...
Coronavirus vaccine that has proven safe and effective in mice and monkeys
Researchers at Yerkes National Primate Research Center, Emory University, have developed a COVID-19 vaccine that has proven safe and effective in mice and monkeys. More...
Poland finds first case of COVID-19 in mink
The Polish health minister has said mink on a farm in north-western Poland will be culled after the SARS-Cov-2 virus was detected. More...
Reinfection from SARS-CoV-2 lineage P.2 with the E484K spike mutation in Brazil
We report the first case of reinfection from genetically distinct SARS-CoV-2 lineage [P.2] presenting the E484K spike mutation in Brazil, a variant associated with escape from neutralizing antibodies. More...
SARS-CoV-2 reinfection by the new Variant of Concern (VOC) P.1 in Amazonas, Brazil
“In this study, we report the first documented case of reinfection with the newly emerging P.1 lineage in a 29-years-old individual from Amazonas, a Brazilian state that was severely hit by COVID-19 at the first epidemic wave between March and July, and is currently facing a spiraling surge of deaths since November 2020. 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...
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...
Brazil’s Yanomami people – report that nine children have died with COVID-19 symptoms
The Brazilian agency that provides health care for the Indigenous has sent a team to the Yanomami people’s territory in the remote Amazon rainforest to investigate a report that nine children died with COVID-19 symptoms, officials said Thursday. More...