Updated figures from Washington State showing vaccine breakthrough cases by the Sars-CoV-2 variant causing them up to 14th July 2021. Some changes from the previous file, notably another increase for both Alpha and Delta breakthroughs, with Delta increasing from 10% to 12% of cases.

Vaccine Breakthroughs up to 14th July 2021

14th July 2021 Variant	Lineage	Number 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
Alpha	B.1.1.7	309	41%	44%	12
Gamma	P.1	147	19%	10%	6
Epsilon	B.1.429	113	15%	16%	0
Delta	B.1.617.2	90	12%	4%	20
Iota	B.1.526	22	3%	3%	1
Beta	B.1.351	11	1%	1%	0
Epsilon	B.1.427	11	1%	2%	0
Eta	B.1.525	4	1%	0%	0
Kappa	B.1.617.1	1	0%	0%	0
Zeta	P.2	0	0%	0%	0
Other	Other	49	6%	20%	0
Total		757	100%	100%	39

 

PREVIOUS WEEK: Vaccine Breakthroughs up to 7th July 2021

7th July 2021 Variant	Lineage	Number 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
Alpha	B.1.1.7	297	41%	44%	11
Gamma	P.1	139	19%	9%	6
Epsilon	B.1.429	113	16%	16%	0
Delta	B.1.617.2	70	10%	4%	30
Iota	B.1.526	21	3%	3%	7
Beta	B.1.351	11	2%	1%	1
Epsilon	B.1.427	11	2%	2%	0
Eta	B.1.525	4	1%	0%	0
Kappa	B.1.617.1	1	0%	0%	0
Zeta	P.2	0	0%	0%	0
Other		49	7%	20%	0
Total		716	100%	100%	55

 

USA: Washington State Vaccine Breakthroughs by Variant up to 7th July 2021

 

USA: vaccine breakthough cases in Washington State by coronavirus variant to 30th June 2021

 

Image by David Mark from Pixabay