Category: AY.3
USA: 40% vaccine breakthrough in Massachusetts last week
Breakthrough infections accounted for about 40% of all cases reported in Massachusetts last week. More...
UK: The Alpha variant rears its ugly head again
A big surprise in the latest UK sequencing figures show that the Alpha variant has made something of a comeback this week. More...
CDC: mRNA vaccines just 53.1% effective against Delta infection among nursing home residents
“Two doses of mRNA vaccines were 74.7% effective against infection among nursing home residents early in the vaccination program. More...
Preprint: Cryptic transmission of Delta AY.3 among fully vaccinated patients
Here we report cryptic transmission associated with high Delta variant viral load among vaccinated patients on an inpatient medical-surgical ward. More...
Delta attempting to brute-force its way past the human immune system
The Delta variant of Sars-CoV-2 seems to have taken a leaf from a computer hacker’s manual by attempting to brute-force its way past human and vaccine immunity systems by spitting out slightly mutated versions of itself almost on a daily basis. 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...
UK: Is Delta already making way for a fitter variant?
One thing that we have been keeping on eye on recently is the possible successor variant to Delta B.1.617.2 in the UK. 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...