Category: America
American Coronavirus News
USA: Alabama’s Covid hospitalizations jump by 30% in one night
A report from the Alabama Department of Health’s online dashboard showed 1,883 hospitalized COVID patients, up by 432 over Sunday’s total. More...
USA: Republican Mike McCaul’s final report into the origins of the Sars-CoV-2 pandemic
Mike McCaul’s final report on the origins of the pandemic can be downloaded here. More...
Github: AY.3.1 – a new sub-lineage of AY.3 concentrated in Mississippi, USA
AY.3 is the main variant being sequenced weekly in Mississippi (>70% of all recent sequences), most falling within this sub-lineage of AY.3 that is distinguished by the mutations described below (>60% of all recent sequences). More...
USA: 233 San Francisco healthcare workers in vaccine breakthough outbreak
At least 233 staff members at two major San Francisco hospitals, most of them fully vaccinated, tested positive for the coronavirus this month. More...
USA: AY.3 genomes increasing faster than Delta B.1.617.2
A long and detailed Twitter thread by Vinod Scaria on the rise of the AY.3 Delta plus variant in the USA which seems to be outcompeting Delta B.1.672 in some states. More...
Preprint: Emergence and spread of a B.1.1.28-derived lineage with Q675H and Q677H Spike mutations in Uruguay
In a previous study we found a sublineage B.1.1.28+Q675H+Q677H with local transmission in Rocha, a Uruguayan department bordering Brazil. More...
CDC: The Covid-19 report that changed the CDC’s view on facemasks
The report that encouraged the CDC to change its facemask mandate this week





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USA: At least 125,000 vaccine breakthrough infections, 1,400 dead
At least 125,000 fully vaccinated Americans have tested positive for Covid and 1,400 of those have died, according to data collected by NBC News. More...
USA: Cape Cod superspreader – 79% of breakthrough infections symptomatic, 80% of hospitalized were fully vaccinated
Scientists researching the Provincetown, Cape Cod Covid outbreak reported that 79 percent of the breakthrough infections were symptomatic. More...
WAPO: 35,000 symptomatic Covid-19 infections per week among 162 million vaccinated Americans
“CDC Director Rochelle Walensky privately briefed members of Congress on Thursday, drawing on much of the material in the document.









