The latest UK PHE Technical Briefing 22 has just been published, and it shows that the vaccine breakthrough rate for Delta infections in the UK continues to increase. The vaccine breakthrough rate for Delta infections is now 23%, having increased by 4% in just the last two weeks.

 

There is a later version of this post here – Technical Briefing 23

 

Technical Briefing 22, 1st February 2021 to 29th August 2021. 

23% vaccine breakthrough rate for Delta variant

Technical Briefing 22
1st February 2021 - 29th August 2021	Total cases	Cases in last 28 days	Unvaccinated	Vaccinated with 2 doses
Delta cases	492,528	144,067	219,716	113,823	23%	vaccine breakthrough
Delta deaths	1,798		536	1091
Percentage			0.24%	0.96%	293%	greater chance of dying if fully vaccinated

 

Technical Briefing 21, 1st February 2021 to 15th August 2021. 

19% vaccine breakthrough rate for Delta variant

1st February 2021 - 15th August 2021	Total cases	Cases in last 28 days	Unvaccinated	Vaccinated with 2 doses
Delta cases	386,735	127,091	183,133	73,372	19%	vaccine breakthrough
Delta deaths	1,189		390	679
Percentage			0.21%	0.93%	335%	greater chance of dying if fully vaccinated

 

Technical Briefing 20, 1st February 2021 to 2nd August 2021

16% vaccine breakthrough rate for Delta variant

1st February 2021 - 2nd August 2021	Total cases	Cases in last 28 days	Unvaccinated	Vaccinated with 2 doses
Delta cases	300,010	98,722	151,054	47,008	16%	vaccine breakthrough
Delta deaths			253	402
Percentage			0.17%	0.86%	411%	greater chance of dying if fully vaccinated

 

Technical Briefing 19, 1st February 2021 to 19th July 2021

13% vaccine breakthrough rate for Delta variant

1st February 2021 - 19th July 2021	Total cases	Cases in last 28 days	Unvaccinated	Vaccinated with 2 doses
Delta cases	229,218	105,298	121,402	28,773	13%	vaccine breakthrough
Delta deaths			165	224
Percentage			0.14%	0.78%	473%	greater chance of dying if fully vaccinated

 

Technical Briefing 18, 1st February 2021 to 21st June [sic] 2021

9% vaccine breakthrough rate for Delta variant

1st February 2021 - *21st June 2021	Total cases	Cases in last 28 days	Unvaccinated	Vaccinated with 2 doses
Delta cases	123,620	63,707	71,932	10,834	9%	vaccine breakthrough
Delta deaths			92	118
Percentage			0.13%	1.09%	752%	greater chance of dying if fully vaccinated

 

Technical Briefing 17, 1st February 2021 to 21st June 2021

8% vaccine breakthrough rate for Delta variant

1st February 2021 - 21st June 2021	Total cases	Cases in last 28 days	Unvaccinated	Vaccinated with 2 doses
Delta cases	92,029	79,336	53,822	7,235	8%	vaccine breakthrough
Delta deaths			44	50
Percentage			0.08%	0.69%	745%	greater chance of dying if fully vaccinated

 

Technical Briefing 16, 1st February 2021 to 14th June

7% vaccine breakthrough rate for Delta variant

1st February 2021 - 14th June 2021	Total cases	Cases in last 28 days	Unvaccinated	Vaccinated with 2 doses
Delta cases	60,624	53,177	35,521	4,087	7%	vaccine breakthrough
Delta deaths			34	26
Percentage			0.10%	0.64%	565%	greater chance of dying if fully vaccinated

 

Technical Briefing 15, 1st February 2021 to 7th June 2021

5% vaccine breakthrough rate for Delta variant

1st February 2021 - 7th June 2021	Total cases	Cases in last 28 days	Unvaccinated	Vaccinated with 2 doses
Delta cases	33,206	28,738	19,573	1,785	5%	vaccine breakthrough
Delta deaths			23	12
Percentage			0.12%	0.67%	472%	greater chance of dying if fully vaccinated

 

Technical Briefing 14, 1st February 2021 to 31st May 2021

3% vaccine breakthrough rate for Delta variant

1st February 2021 - 31st May 2021	Total cases	Cases in last 28 days	Unvaccinated	Vaccinated with 2 doses
Delta cases	9,427	7,744	5,172	267	3%	vaccine breakthrough
Delta deaths			11	2
Percentage			0.21%	0.75%	252%	greater chance of dying if fully vaccinated

 

Delta vaccine breakthrough cases in Washington State quadruple in two weeks