Tag: covid-19
International travel showed the biggest impact on increases in coronavirus death rates
A new study comparing countries most severely hit by COVID-19 during the first wave of the pandemic has found that international travel showed the biggest impact on increases in death rates.
Tenth Yanomami child dies of coronavirus in Brazil
The Yanomami recorded the death of one more child by covid-19 and account for ten deaths caused by the disease. More...
Coronavirus outbreak at Girona carehome affects 23 of 29 vaccinated residents
A Covid-19 outbreak detected on January 24 at the Sant Jordi de Celrà geriatric residence in Girona, Spain already affects 23 of the 29 users and 11 workers at the center. 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...
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...