Omicron coronavirus variant partly evades Pfizer vaccine’s protection, study shows
By Maggie Fox, The Omicron coronavirus variant partly escapes the protection offered by the Pfizer vaccine, but people who have been previously infected and then vaccinated are likely to be well protected, researchers working in South Africa reported Tuesday. Boosters are also likely to protect people, Alex Sigal of the Africa Health Research Institute in Durban, who led the study team, told CNN. It’s the first experiment to directly look at how the Omicron virus might behave in vaccinated people. Tests in lab dishes using samples from 12 people who had been fully vaccinated with Pfizer’s vaccine showed the Omicron variant could