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Vaccine breakthrough cases in Washington State to 15th September 2021

Alpha, B.1.1.7, B.1.617.2, Beta, Coronavirus, Delta, Epsilon, Eta, Gamma, Genome, Infection, Iota, Janssen, Kappa, Moderna, Pfizer/Biontech, Testing, USA, Vaccine, Vaccine Breakthrough, Washington State

This week’s update from Washington State showing vaccine breakthrough cases and which Sars-CoV-2 variant is causing them up to 15th September 2021.  The Delta variant continues to be the leading cause of breakthrough infections in the state, however a big drop in the number of cases being sequenced means that this data doesn’t have much statistical relevance to the actual number of breakthrough infections occurring.

The data might, however, be a useful indicator of the rising importance of new variants in the future, and on that basis we will continue to publish the information

 

 

 

 

Vaccine Breakthroughs up to 15th September 2021

15th Sept 2021

Variant
LineageNumber of Vaccine
Breakthrough Cases
With Variant
Percentage of Vaccine
Breakthrough Cases With
Variant
Percentage of
Sequences From
All Covid-19
Cases With
Variant
Increase in
Number of
Breakthroughs
From Previous
Week
AlphaB.1.1.740712%31%5
GammaP.12026%7%3
EpsilonB.1.4291264%11%2
DeltaB.1.617.2245073%30%190
IotaB.1.526351%3%1
BetaB.1.351110%1%0
EpsilonB.1.427130%1%0
EtaB.1.52540%0%0
KappaB.1.617.130%0%0
B.1.617.3B.1.617.300%0%0
OtherOther1083%15%3
TotalTotal3359100%100%204

 

Vaccine Breakthroughs up to 8th September 2021

8th Sept 2021

Variant
LineageNumber of Vaccine
Breakthrough Cases
With Variant
Percentage of Vaccine
Breakthrough Cases With
Variant
Percentage of
Sequences From
All Covid-19
Cases With
Variant
Increase in
Number of
Breakthroughs
From Previous
Week
AlphaB.1.1.740213%32%3
GammaP.11996%7%3
EpsilonB.1.4291244%11%0
DeltaB.1.617.2226072%29%423
IotaB.1.526341%2%0
BetaB.1.351110%1%0
EpsilonB.1.427130%1%0
EtaB.1.52540%0%0
KappaB.1.617.130%0%0
B.1.617.3B.1.617.300%0%0
OtherOther1053%16%-7
TotalTotal3155100%100%422

 

Vaccine Breakthroughs up to 1st September 2021

1st Sept 2021

Variant
LineageNumber of Vaccine
Breakthrough Cases
With Variant
Percentage of Vaccine
Breakthrough Cases With
Variant
Percentage of
Sequences From
All Covid-19
Cases With
Variant
Increase in
Number of
Breakthroughs
From Previous
Week
AlphaB.1.1.739915%33%1
GammaP.11967%8%-2
EpsilonB.1.4291245%12%0
DeltaB.1.617.2183767%25%443
IotaB.1.526341%2%0
BetaB.1.351110%1%0
EpsilonB.1.427130%1%1
EtaB.1.52540%0%0
KappaB.1.617.130%0%0
B.1.617.3B.1.617.300%0%0
OtherOther1124%18%-111
TotalTotal2733100%100%332

 

Vaccine Breakthroughs up to 25th August 2021

25th August 2021

Variant
LineageNumber of Vaccine
Breakthrough Cases
With Variant
Percentage of Vaccine
Breakthrough Cases With
Variant
Percentage of
Sequences From
All Covid-19
Cases With
Variant
Increase in
Number of
Breakthroughs
From Previous
Week
DeltaB.1.617.2139458%18%546
AlphaB.1.1.739817%31%40
GammaP.11988%7%12
EpsilonB.1.4291245%11%7
IotaB.1.526341%2%6
EpsilonB.1.427120%1%1
BetaB.1.351110%1%1
EtaB.1.52540%0%0
KappaB.1.617.130%0%0
OtherOther2239%27%-540
TotalTotal2401100%100%73

 

Vaccine Breakthroughs up to 18th August 2021

18th August 2021

Variant
LineageNumber of Vaccine
Breakthrough Cases
With Variant
Percentage of Vaccine
Breakthrough Cases With
Variant
Percentage of
Sequences From
All Covid-19
Cases With
Variant
Increase in
Number of
Breakthroughs
From Previous
Week
DeltaB.1.617.284836%12%219
AlphaB.1.1.735815%30%6
GammaP.11868%7%4
EpsilonB.1.4291175%11%1
IotaB.1.526281%2%0
EpsilonB.1.427110%1%0
BetaB.1.351100%1%0
EtaB.1.52540%0%0
KappaB.1.617.130%0%2
OtherOther76333%35%676
TotalTotal2328100%100%908

 

Vaccine Breakthroughs up to 11th August 2021

11th August 2021

Variant
LineageNumber of Vaccine
Breakthrough Cases
With Variant
Percentage of Vaccine
Breakthrough Cases With
Variant
Percentage of
Sequences From
All Covid-19
Cases With
Variant
Increase in
Number of
Breakthroughs
From Previous
Week
DeltaB.1.617.262944%12%224
AlphaB.1.1.735225%39%9
GammaP.118213%9%7
EpsilonB.1.4291168%14%0
IotaB.1.526282%3%1
EpsilonB.1.427111%2%0
BetaB.1.351101%1%0
EtaB.1.52540%0%0
KappaB.1.617.110%0%0
OtherOther876%20%37
TotalTotal1420100%100%278

 

Vaccine Breakthroughs up to 4th August 2021

4th August 2021

Variant
LineageNumber of Vaccine
Breakthrough Cases
With Variant
Percentage of Vaccine
Breakthrough Cases With
Variant
Percentage of
Sequences From
All Covid-19
Cases With
Variant
Increase in
Number of
Breakthroughs
From Previous
Week
DeltaB.1.617.240535%10%151
AlphaB.1.1.734330%41%6
GammaP.117515%9%7
EpsilonB.1.42911610%15%0
IotaB.1.526272%3%1
EpsilonB.1.427111%2%0
BetaB.1.351101%1%0
EtaB.1.52540%0%0
KappaB.1.617.110%0%0
OtherOther504%19%-4
Total1142100%100%161

 

Vaccine Breakthroughs up to 28th July 2021

28th July 2021

Variant
LineageNumber of Vaccine
Breakthrough Cases
With Variant
Percentage of Vaccine
Breakthrough Cases With
Variant
Percentage of
Sequences From
All Covid-19
Cases With
Variant
Increase in
Number of
Breakthroughs
From Previous
Week
AlphaB.1.1.733734%43%29
GammaP.116817%10%12
EpsilonB.1.42911612%15%3
DeltaB.1.617.225426%7%141
IotaB.1.526263%3%4
BetaB.1.351101%1%0
EpsilonB.1.427111%2%0
EtaB.1.52540%0%0
KappaB.1.617.110%0%0
ZetaP.200%0%0
OtherOther546%18%4
Total981100%100%193

 

Vaccine Breakthroughs up to 21st July 2021

21st July 2021

Variant
LineageNumber of Vaccine
Breakthrough Cases
With Variant
Percentage of Vaccine
Breakthrough Cases With
Variant
Percentage of
Sequences From
All Covid-19
Cases With
Variant
Increase in
Number of
Breakthroughs
From Previous
Week
AlphaB.1.1.730839%44%-1
GammaP.115620%10%9
EpsilonB.1.42911314%16%0
DeltaB.1.617.211314%4%23
IotaB.1.526223%3%0
BetaB.1.351101%1%-1
EpsilonB.1.427111%2%0
EtaB.1.52541%0%0
KappaB.1.617.110%0%0
ZetaP.200%0%0
OtherOther506%19%0
Total788100%100%30

 

Vaccine Breakthroughs up to 14th July 2021

14th July 2021

Variant
LineageNumber of Vaccine
Breakthrough Cases
With Variant
Percentage of Vaccine
Breakthrough Cases With
Variant
Percentage of
Sequences From
All Covid-19
Cases With
Variant
Increase in
Number of
Breakthroughs
From Previous
Week
AlphaB.1.1.730941%44%12
GammaP.114719%10%6
EpsilonB.1.42911315%16%0
DeltaB.1.617.29012%4%20
IotaB.1.526223%3%1
BetaB.1.351111%1%0
EpsilonB.1.427111%2%0
EtaB.1.52541%0%0
KappaB.1.617.110%0%0
ZetaP.200%0%0
OtherOther496%20%0
Total757100%100%39

 

Vaccine Breakthroughs up to 7th July 2021

7th July 2021

Variant
LineageNumber of Vaccine
Breakthrough Cases
With Variant
Percentage of Vaccine
Breakthrough Cases With
Variant
Percentage of
Sequences From
All Covid-19
Cases With
Variant
Increase in
Number of Breakthroughs
From Previous
Week
AlphaB.1.1.729741%44%11
GammaP.113919%9%6
EpsilonB.1.42911316%16%0
DeltaB.1.617.27010%4%30
IotaB.1.526213%3%7
BetaB.1.351112%1%1
EpsilonB.1.427112%2%0
EtaB.1.52541%0%0
KappaB.1.617.110%0%0
ZetaP.200%0%0
Other497%20%0
Total716100%100%55

 

Vaccine Breakthroughs up to 30th June 2021

30th June 2021

Variant
LineageNumber of Vaccine
Breakthrough Cases
With Variant
Percentage of Vaccine
Breakthrough Cases With
Variant
Percentage of
Sequences From
All Covid-19
Cases With
Variant
AlphaB.1.1.728637%38%
GammaP.113317%8%
EpsilonB.1.42911315%14%
DeltaB.1.617.2405%2%
IotaB.1.526142%3%
BetaB.1.351101%1%
EpsilonB.1.427111%2%
EtaB.1.52541%0%
KappaB.1.617.110%0%
ZetaP.200%0%
Other4921%32%
Totals661100%100%

 

 

 

Image by kola05 from Pixabay