News COVID-19 boosters offer ‘potent’ protection against omicron, study says, recommending Pfizer and Moderna January 7, 2022Elizabeth Weise, USA TODAYComments Off on COVID-19 boosters offer ‘potent’ protection against omicron, study says, recommending Pfizer and Moderna COVID-19 boosters with an mRNA vaccine provide the best protection against omicron, according to a study published this week in the journal Cell.