booster dose

noun 0.916

booster injection

noun 0.888

booster

noun 0.855

boosting

noun 0.645

shot in the arm

noun 0.639

boost

noun 0.622

flu shot

noun 0.609

booster club

noun 0.595

shot

noun 0.584

vaccination

noun 0.571

boosterism

noun 0.550

injection

noun 0.548

bolstering

noun 0.543

immunostimulant

noun 0.534

headshot

noun 0.525

pot shot

noun 0.524

bolster

noun 0.521

immunization

noun 0.519

therapeutic vaccine

noun 0.511

injectable

noun 0.506

jump shot

noun 0.505