Category: Testing
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: 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...
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...
Netherlands: 1,100 people infected with Covid-19 at superspreader test event festival
At least 130 visitors were already infected with Covid-19 despite the mandatory entrance tests when they went to the Dutch music festival ‘Verknipt’ in the first weekend of July. More...
Netherlands superspreader event sees one person infect 180 people in nightclub
The coronavirus outbreak at the Aspen Valley nightclub in Enschede on June 26 that resulted in 180 people contracting the coronavirus can be traced back to one person, an investigation from the GGD Twente showed. 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.
Preprint: Cryptic Sars-CoV-2 Lineages Detected in NYC Wastewater – Possible Animal Reservoir Detected
Researchers find signs of Covid-19 mutations in NYC sewage, pointing to possible dog and rat infections. More...
USA: Washington State Vaccine Breakthroughs by Variant up to 28th July 2021
This week’s update from Washington State showing vaccine breakthrough cases and which Sars-CoV-2 variant is causing them up to 28th July 2021. More...
NEJM: Vaccine breakthrough infections leading to long Covid
Among 1497 fully vaccinated health care workers, 39 SARS-CoV-2 breakthrough infections were documented. More...









