By Clara-Laeila Laudette (Reuters) -The risk of reinfection with the Omicron coronavirus variant is more than five times higher and it has shown no sign of being milder than Delta, a study showed, as cases soar across Europe and threaten year-end festivities. The results of the study by Imperial College London were based on UK Health Security Agency and National Health Service data on people who tested positive for COVID-19 in a PCR test in England between Nov. 29 and Dec. 11. “We find no evidence (for both risk of hospitalisation attendance and symptom status) of Omicron having different seve…

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