Immunogenicity of third dose COVID-19 vaccine strategies in patients who are immunocompromised with suboptimal immunity following two doses (OCTAVE-DUO): an open-label, multicentre, randomised, controlled, phase 3 trial
https://www.thelancet.com/journals/l...065-1/fulltext
Here's Yet Another Reason to Stay on Top of Your COVID Vaccine Boosters
https://www.sciencealert.com/heres-y...ccine-boosters
"...If the effects don't fade too rapidly, new data suggests regular COVID-19 vaccinations could strengthen our immune systems against future variants and even related viruses. This is on top of the proven protection they already provide against current infections..."