Level Zero (@levelzerotv)

"In vaccinated subjects, antibody titers decreased by up to 40% each subsequent month while in convalescents they decreased by less than 5% per month. Six months after BNT-162b2 16.1% subjects had antibody levels below the seropositivity threshold of <50AU/mL, while only 10.8% of convalescent patients were below <50AU/mL after 9 months from SARS-CoV-2 infection." https://www.researchgate.net/publication/354060442_Large-scale_study_of_antibody_titer_decay_following_BNT162b2_mRNA_vaccine_or_SARS-CoV-2_infection