Pfizer-BioNTech said three doses of their coronavirus vaccine is 'still effective' against the new Omicron variant when publishing preliminary results Wednesday
![Pfizer [AFP]](/sites/default/files/styles/image_156x88/public/media/images/A83348E6-44D0-4FDD-821A-55E00BA7C6A9.jpg?h=d1cb525d&itok=fphv0OCw "Pfizer [AFP]")
