FILE - Dr. Manjul Shukla transfers Pfizer COVID-19 vaccine into a syringe, Thursday, Dec. 2, 2021, at a mobile vaccination clinic in Worcester, USA

Video. Pfizer says COVID booster offers protection against Omicron

"What we should really be reading into this is that any vaccine that boosts immunity will do the job," clinical expert Bharat Pankhania told Euronews.

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