Discovery health says the Pfizer vaccine efficacy has dropped to 33% in the Omicron variant

Discovery health has confimed that the Pfizer vaccine efficacy has dropped from 80% in the Delta variant to 33% in Omicron. Discovery further announced that the majority of those in hospital are unvaccinated. Newroom Afrika reporter Kopano Gumbi is following the story and has more details. Tune into Newzroom Afrika, DSTV channel 405 for more details.