![Single dose of vaccine acts as 'booster' in those with prior COVID-19 infection | Imperial News | Imperial College London Single dose of vaccine acts as 'booster' in those with prior COVID-19 infection | Imperial News | Imperial College London](https://www.imperial.ac.uk/ImageCropToolT4/imageTool/uploaded-images/newseventsimage_1614190037236_mainnews2012_x1.jpg)
Single dose of vaccine acts as 'booster' in those with prior COVID-19 infection | Imperial News | Imperial College London
![COVID-19 vaccine response blunted by common inflammatory bowel disease treatment | Imperial News | Imperial College London COVID-19 vaccine response blunted by common inflammatory bowel disease treatment | Imperial News | Imperial College London](https://www.imperial.ac.uk/ImageCropToolT4/imageTool/uploaded-images/newseventsimage_1619465428621_mainnews2012_x1.jpg)
COVID-19 vaccine response blunted by common inflammatory bowel disease treatment | Imperial News | Imperial College London
![Booster jabs for over 40s and second doses for 16 and 17 year olds - Oxford Health NHS Foundation Trust Booster jabs for over 40s and second doses for 16 and 17 year olds - Oxford Health NHS Foundation Trust](https://www.oxfordhealth.nhs.uk/wp-content/uploads/2021/06/Covid-jab-scaled.jpg)
Booster jabs for over 40s and second doses for 16 and 17 year olds - Oxford Health NHS Foundation Trust
![Problems getting a Covid-19 booster vaccine tops latest Health and Care Forum | Healthwatch Cambridgeshire Problems getting a Covid-19 booster vaccine tops latest Health and Care Forum | Healthwatch Cambridgeshire](https://www.healthwatchcambridgeshire.co.uk/sites/healthwatchcambridgeshire.co.uk/files/man%20getting%20covid%20jab.png)
Problems getting a Covid-19 booster vaccine tops latest Health and Care Forum | Healthwatch Cambridgeshire
![Fourth Covid jab can give higher immunity than initial booster, study finds | Vaccines and immunisation | The Guardian Fourth Covid jab can give higher immunity than initial booster, study finds | Vaccines and immunisation | The Guardian](https://i.guim.co.uk/img/media/1751ae5ce502f10dafa69c948a3187868d376bac/0_95_3500_2100/master/3500.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=95ec8ef309e98daf57d442ba3ce940a4)
Fourth Covid jab can give higher immunity than initial booster, study finds | Vaccines and immunisation | The Guardian
![JCVI issues advice on COVID-19 booster vaccines for those aged 40 to 49 and second doses for 16 to 17 year olds - GOV.UK JCVI issues advice on COVID-19 booster vaccines for those aged 40 to 49 and second doses for 16 to 17 year olds - GOV.UK](https://assets.publishing.service.gov.uk/media/61918ff3d3bf7f0559e1d94d/arm-vaccine-syringe-close-up.jpg)
JCVI issues advice on COVID-19 booster vaccines for those aged 40 to 49 and second doses for 16 to 17 year olds - GOV.UK
![JCVI advice on COVID-19 booster vaccines for those aged 18 to 39 and a second dose for ages 12 to 15 - GOV.UK JCVI advice on COVID-19 booster vaccines for those aged 18 to 39 and a second dose for ages 12 to 15 - GOV.UK](https://assets.publishing.service.gov.uk/media/61a4f1f2e90e070445fd76b9/vaccine-covid.jpg)
JCVI advice on COVID-19 booster vaccines for those aged 18 to 39 and a second dose for ages 12 to 15 - GOV.UK
![Second Pfizer/BioNTech bivalent COVID-19 booster vaccine approved by UK medicines regulator - GOV.UK Second Pfizer/BioNTech bivalent COVID-19 booster vaccine approved by UK medicines regulator - GOV.UK](https://assets.publishing.service.gov.uk/government/uploads/system/uploads/image_data/file/166637/s960_Gov_UK.jpg)
Second Pfizer/BioNTech bivalent COVID-19 booster vaccine approved by UK medicines regulator - GOV.UK
![Millions to be offered Covid booster jabs earlier to protect NHS over winter | Health policy | The Guardian Millions to be offered Covid booster jabs earlier to protect NHS over winter | Health policy | The Guardian](https://i.guim.co.uk/img/media/387853e2002a8a3c5b6e9df70fce7a39a06aed76/0_178_5238_3141/master/5238.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=79fcb266b3a332a84d524cf77c1f6449)
Millions to be offered Covid booster jabs earlier to protect NHS over winter | Health policy | The Guardian
![COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases](https://www.thelancet.com/cms/asset/ec1bbbc9-0d70-47da-a8ee-b885b4d05720/gr1.jpg)