![Updated Covid-19 boosters offer protection, but new studies suggest they don't offer an edge against Omicron | CNN Updated Covid-19 boosters offer protection, but new studies suggest they don't offer an edge against Omicron | CNN](https://dynaimage.cdn.cnn.com/cnn/c_fill,g_auto,w_1200,h_675,ar_16:9/https%3A%2F%2Fcdn.cnn.com%2Fcnnnext%2Fdam%2Fassets%2F221024193034-covid-19-booster-090922.jpg)
Updated Covid-19 boosters offer protection, but new studies suggest they don't offer an edge against Omicron | CNN
![Covid updates: Doctors urge vaccine booster shots as omicron variant continues to spread - 6abc Philadelphia Covid updates: Doctors urge vaccine booster shots as omicron variant continues to spread - 6abc Philadelphia](https://cdn.abcotvs.com/dip/images/11349897_121621-wpvi-covid-booster-latest-4pm-CC-vid.jpg?w=1600)
Covid updates: Doctors urge vaccine booster shots as omicron variant continues to spread - 6abc Philadelphia
![Omicron booster: UK becomes first nation to approve vaccine that targets two Covid-19 variants | CNN Omicron booster: UK becomes first nation to approve vaccine that targets two Covid-19 variants | CNN](https://media.cnn.com/api/v1/images/stellar/prod/220815081045-moderna-covid-booster-omicron-variant.jpg?c=original)
Omicron booster: UK becomes first nation to approve vaccine that targets two Covid-19 variants | CNN
![Boosters vital to mitigate impact of Omicron, but may lose some effectiveness | Imperial News | Imperial College London Boosters vital to mitigate impact of Omicron, but may lose some effectiveness | Imperial News | Imperial College London](https://www.imperial.ac.uk/ImageCropToolT4/imageTool/uploaded-images/newseventsimage_1639520932245_mainnews2012_x1.jpg)
Boosters vital to mitigate impact of Omicron, but may lose some effectiveness | Imperial News | Imperial College London
![COVID-19 vaccine booster dose needed to achieve Omicron-specific neutralisation in nursing home residents - eBioMedicine COVID-19 vaccine booster dose needed to achieve Omicron-specific neutralisation in nursing home residents - eBioMedicine](https://www.thelancet.com/cms/asset/be95fd01-303d-485d-806b-6d494baf486e/gr1.jpg)