Der skal udvises forsigtighed, når vaccinen gives til personer med kendt overfølsomhed (ud over anafylaktisk reaktion) over for det aktive stof, over for et af hjælpestofferne og over for sporstofferne, f. eks. formaldehyd, benzonase eller saccharose.
Caution is needed when administrating this vaccine to persons with a known hypersensitivity (other than anaphylactic reaction) to the active substance(s), to any of the excipients and to trace residues e. g. formaldehyde, benzonase, or sucrose.