Studies have found that both the Pfizer and Moderna vaccines offer almost no protection against COVID over time, particularly against the Omicron variant. https://thecountersignal.com/pfizer-moderna-vaccine-dont-offer-long-term-protection/
Neither the Pfizer nor Moderna mRNA vaccines are effective at protecting against COVID - The Counter Signal
Studies have found that both the Pfizer and Moderna vaccines offer almost no long-term protection against COVID-19.
https://thecountersignal.com/pfizer-moderna-vaccine-dont-offer-long-term-protection/