![Omicron largely evades immunity from past infection or two vaccine doses | Imperial News | Imperial College London Omicron largely evades immunity from past infection or two vaccine doses | Imperial News | Imperial College London](https://www.imperial.ac.uk/ImageCropToolT4/imageTool/uploaded-images/newseventsimage_1639588774894_mainnews2012_x1.jpg)
Omicron largely evades immunity from past infection or two vaccine doses | Imperial News | Imperial College London
![Omicron - latest findings and commentary from Imperial experts | Imperial News | Imperial College London Omicron - latest findings and commentary from Imperial experts | Imperial News | Imperial College London](https://www.imperial.ac.uk/ImageCropToolT4/imageTool/uploaded-images/newseventsimage_1639138384613_mainnews2012_x1.jpg)
Omicron - latest findings and commentary from Imperial experts | Imperial News | Imperial College London
![Omicron – latest research and expert views as PCR test rules change | Imperial News | Imperial College London Omicron – latest research and expert views as PCR test rules change | Imperial News | Imperial College London](https://www.imperial.ac.uk/ImageCropToolT4/imageTool/uploaded-images/newseventsimage_1641561842871_mainnews2012_x1.jpg)
Omicron – latest research and expert views as PCR test rules change | Imperial News | Imperial College London
![Omicron – latest research and expert views as UK cases hit all-time high | Imperial News | Imperial College London Omicron – latest research and expert views as UK cases hit all-time high | Imperial News | Imperial College London](https://www.imperial.ac.uk/ImageCropToolT4/imageTool/uploaded-images/newseventsimage_1639672590088_mainnews2012_x1.jpg)
Omicron – latest research and expert views as UK cases hit all-time high | Imperial News | Imperial College London
![Real-world COVID-19 vaccine effectiveness against the Omicron BA.2 variant in a SARS-CoV-2 infection-naive population | Nature Medicine Real-world COVID-19 vaccine effectiveness against the Omicron BA.2 variant in a SARS-CoV-2 infection-naive population | Nature Medicine](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41591-023-02219-5/MediaObjects/41591_2023_2219_Fig1_HTML.png)