Researchers estimate the growth and immune escape of the Omicron variant in England. Prof Neil FergusonThe study includes people identified as having Omicron infection due to an S gene target failure (SGTF), as well as people with genotype data that confirmed Omicron infection. Growth of OmicronFirstly, the report looks at factors associated with testing positive for Omicron compared to non-Omicron (mostly Delta) cases. The reinfection risk estimated in the current study suggests this protection has fallen to 19% (95%CI: 0-27%) against an Omicron infection. -Read the full report ‘Report 49 - Growth, population distribution and immune escape of Omicron in England’
