3 Personer, der vaccineres med ProQuad, bør undgå salicylater i 6 uger efter vaccination, da der er forekommet Reyes syndrom efter brug af salicylater under en naturligt forekommende skoldkoppe - infektion.
3 Vaccine recipients should avoid use of salicylates for 6 weeks after vaccination with ProQuad as Reye's syndrome has been reported following the use of salicylates during wild-type varicella infection.